AVG 7.5 Free for Linux
Contents
1. 0 do nothing 2 remove infected attachment of message 3 move message into quarantine 4 drop the message onSpamAction Action to be taken in case of spam detection default value 0 Possible values are 0 do nothing 4 drop the message enableAttachmentFiltering Turn on off attachment filtering Values O off 1 on default value O filterOutAllDocuments Turn on off removal of all document attachments from mail which are by default DO XL VBX RTF PP POT MDA MDB XML Values O off 1 on default value O filterOutAllExecutable Turn on off removal of all executable file attachments from mail Values O off 1 on default value O filterOutAllFileswWithExtension removal all attachments with the given extensions from mail no default value Example Values DOC MP3 enableCertification Turn on off mail certification Values O off 1 on default value O enableVirusSubjectCertification Turn on off mail subject certification for virus values O off 1 on default value O enableSpamSubjectCertification Turn on off mail subject certification for spam values O off 1 on default value O virusSubjectCertifyText Text value for mail subject certification for virus spamSubjectCertifyText Text value for mail subject certification for spam enableNotification Turn on off mail notification values O off 1 on default value O notifySender No2. Potentially unwanted program can be for example spy ware or other possibly insecure programs Note If you launch the avgscan command with the clean parameter AVG will attempt to heal all infected files automatically When the healing is successful a VAULTS AVG folder is created unless it exists already in the home directory of the user who performed the test The infected files are moved into this directory then whereas the cleaned files remain in their original locations Note the infected files are stored in a special AVG format ensuring they are absolutely harmless for your system Return values of avgscan program are O no errors 1 the test was interrupted by user 2 an error occurred during the test e g cannot open file event 3 file system changes detected 4 a suspect object found by heuristic analysis 5 a virus found by heuristic analysis 6 a particular virus was found 7 an active virus found in memory 8 corruption of some of the AVG 7 5 Free for Linux command line components e 10 an archive contains password protected files 5 1 1 Example Usage Some typical examples of avgscan use with brief explanations follow avgscan home user scans the user s home directory avgscan heur home user scans the user s home directory using heuristic analysis S avgscan home user bin run something sh scans the single file run_something sh in the bin directory of user s home avgscan rep
3. e Recommended update The recommended update contains various program changes fixes and improvements e Optional update The optional update reflects changes that are not necessary for program functionality texts updates of the setup component etc Optional updates can be downloaded and applied together with recommended updates but the timeliness of implementing them is not urgent The avgupdate command is a tool for complex control over the on demand update process The update in general can be performed by launching this command The update properties are controlled using the command options which are listed in the table below General syntax of the command is avgupdate options path list The path list string stands for the path of the explicitly given update files or for the list of these update files separated by the space character Note Although the avgupdate command itself can manage only the on demand update you can also use it to create scheduled updates by incorporating the cron Linux system utility See the manual pages man cron crontab or the respective documentation for detailed information The options for the avgupdate command are described in the following table Parameter Description 0 online Performs an online update from the Internet the location where the update files are downloaded from is specified in the AVG configuration file See section 6 Configuration File for detailed
4. pupAnalysis when set to 1 potentially unwanted programs are detected within the on access scanning the default is O no detection processesArchives scanning of archives possible values are O or 1 the default value is O archives scanning disabled syslogFacility specification of facility used by syslog daemon refer to the syslog conf manual pages for detailed information on the syslog features possible values are literal string types the default value is daemon reportPasswordProtectedFiles reporting of password protected files possible values are O or 1 the default value is O reporting disabled reportMacros reporting of macro structures in the scanned files possible values are O or 1 the default value is O reporting disabled reportLockedFiles reporting of locked files possible values are O or 1 the default value is O reporting disabled quarantineDirectory Directory with AVG Quarantine default value opt grisoft avg7 var 6 2 On Access Scanner Configuration The main configuration for the on access scanning daemon s is located in etc avg conf usr local etc rc d avg conf for FreeBSD The following can be specified includePath the list of paths to be scanned by the on access scanner at least one path is required possible values are strings according to the path specification syntax the default value is mnt excludePath the list of paths to be ignored by the on access scanner p
5. the first item shows the amount of currently downloaded data the second one the size of the file being currently downloaded O Done download percentage indicator O Speed the current download speed Also you are able to review the download progress in the download progress bar You can interrupt the download by pressing the Stop button In the bottom area of the update window there is a field showing brief text information on the action being performed by the update process Once the update is finished the following window appears showing information on the performed update Scheduled update Within AVG 7 5 Free for Linux it is also possible to define an update plan The planned update is then performed periodically according to the configuration settings An update can be scheduled in the Update Scheduling branch of the Properties window You can review the performed update information in the update log file avg7upd log that is to be found in the opt grisoft avg7 var update log directory see chapter 4 4 4 Update for detailed information on the scheduled update settings 5 Standalone Command Line Modules As a part of the AVG 7 5 Free for Linux internal structure several command line configurable and executable modules are included in the installation package Although all the essential AVG 7 5 Free for Linux features can be easily controlled using the graphical user interface some details can be exploited on
6. Access Scanner Configuration ccc ceceee cess eee e eee eeeeeeeeeeeeeeeeeeesaaaaes 35 6 3 E mail Scanning Configuration AvgDaeMon cccceeeeeeeeee sete eeeeeeeeeeeaaes 36 GF PAV GU PG ate ini ia 37 Ti ANG Quarantine id 39 7 1 avgqrtctl Quarantine Control Utility oocccccccccccccncccncncnnnnnnnc rra 39 Falles NGA OS caine canis oases tal a e 39 PAL OPUON Sd 39 E O fae ee nadenercagecasdeurorataas antes Saves teens atingcanee ETETE ATT 40 1 Introduction a b c This User Manual is the full documentation describing AVG 7 5 Free for Linux AVG 7 5 Free for Linux Features AVG 7 5 Free for Linux provides comprehensive and reliable protection against viruses for Linux powered machines It offers many features such as scheduled and on demand scanning of folders files and common archive types for possible virus infection You can also perform a scheduled or on demand update of your AVG either from the Internet or from local update sources AVG 7 5 Free for Linux Graphical User I nterface AVG 7 5 Free for Linux allows you to take advantage of all AVG system functions within the comfortable and well arranged graphical user interface For normal AVG users on workstations and home computers it is recommended to use only the graphical interface The graphical user interface is both efficient and simple and it can be used even by inexperienced Linux system users AVG 7 5 Free for Linux Command Li
7. Existing files are overwritten quietly unless option i is set on d delete regexps Delete files matching regular expressions regexps from quarantine Confirmation will be required if the option i is set on p INECeraclive Require confirmation in case of overwriting of regexps existing file option r or deleting of a file option d q qgrtloc path Location of quarantine file o SOre order Specify order of files listed from quarantine Possible values of order are F sort by filename O sort by original filename V sort by virus name S sort by size C sort by file change time D sort by time of insertion into quarantine headers When listing files from quarantine repeat header every 25 lines version Display avgqrtctl version Display command line help for avgartctl 7 1 3 Output This section describes the information avgartctl prints for each file listed from quarantine MODIF TIME time of last file modification INSERT TIME time of insertion of file into quarantine VIRUS NAME name of detected virus FILE SIZE size of file FILE PATH original path to fale 8 FAQ The FAQ section of the AVG Free website http free avg com provides answers to most issues that you may encounter while using AVG Free for Linux FreeBSD Unfortunately no technical support is available for users of any free version of AVG
8. Linux FreeBSD installation packages are provided in the form of RPM files for Linux FreeBSD distributions supporting the RPM Package Manager utility e For installation from the RPM file use the following command in your shell accessible for example using the xterm application within your X window system rpm i avg S5afl distribution r release a vdb version 1386 rpm o For installation from the deb file use the following command in your shell accessible for example using the xterm application within your X window system dpkg i avg 5fld r release a vdb version 1i386 deb Note The program files of the AVG 7 5 Free for Linux versions 11 and older are installed into the usr local lib avg7 directory Even if you perform the full update of older version of your AVG the directory structure remains the same ensuring the backwards compatibility However all essential components of AVG 7 5 Free for Linux are always updated properly to offer you the maximum security and reliability The versions 12 and newer are comprehensively installed into the opt grisoft directory Symbolic links are created in various system directories leading to the opt grisoft directory subtree If you want to upgrade the old directory structure you must completely reinstall your AVG 7 5 Free for Linux Note that in this documentation is always described the preferred newer location of AVG 7 5 Free for Linux installation In the instal
9. be created when this option is selected by default the log file is stored as opt grisoft avg7 var update log avg7upd log a no daemons When this option is selected the AVG 7 5 Free for Linux daemons will not be restarted following the update for some server systems this option can help in avoiding problems with the incorrect restart of daemons m complete Select this option when your AVG 7 5 Free for Linux installation is seriously damaged to repair it r restore Restores the previous version of the whole AVG 7 5 Free for Linux before the last update was performed V version Displays the program version Parameter Description h help Prints a brief overview of the program s options and usage Return values of avgupdate program are o O no errors occurred during the update o 1 nothing new to update o 2 an error occurred during the update Some typical examples of avgupdate use with brief explanations follow avgupdate o the simple online update e avgupdate f tmp avg updfiles performs the update from the files in the tmp avg udpfiles local directory e avgupdate o p 4 performs the optional online update S avgupdate o c home user conf avg avg conf performs the online update according to the configuration file avg conf located in the home user conf avg local directory avgupdate o l m pe
10. can download the latest version of DAZUKO at http www dazuko org Unpack the downloaded file using the following command and switch to the unpacked directory gt tar XvzE dazuko version taf gz Edit the configure file and change the O value to 1 for the ON_CLOSE_MODIFIED parameter in the MAIN section Generate a Makefile by running the following command in the directory with the DAZUKO source files configure This will determine the features of your system needing to be specified in the generated Makefile Then you can compile DAZUKO with the S make command This will create the device driver as well as a couple of example programs Under Linux 2 2 2 4 the device driver is named dazuko o Under Linux 2 6 it is named dazuko ko Insert DAZUKO Having compiled DAZUKO successfully the final step is to insert the module into the kernel Note The process of inserting a kernel module may vary according to the particular Linux distribution Refer to your distribution documentation to resolve possible problems Also there can be some differences according to various versions of DAZUKO Refer to the detailed DAZUKO documentation at http www dazuko org Create the device node for DAZUKO This can be done executing the following command as the root supposing that the device major number is 254 for this example mknod m 600 dev dazuko c 254 0 chown root root dev dazuko Also you have to copy the module
11. the PATH PATHS path s to be excluded must be given right after this option and separated by the space character FILE Specifies the command file with parameters to be processed by the avgscan program the file name must be given right after this option and separated by the space character Parameter Description ext lt ext_mask gt Explicit specification of file extensions to be scanned in the form of ext lt ext_mask gt where the lt ext_mask gt string stands for the extension definition for example jpg etc When entering multiple file extensions they should be separated by a semicolon noext lt ext_mask gt Explicit specification of file extensions not to be scanned in the form of noext lt ext_mask gt where the lt ext_mask gt string stands for the extension definition for example jpg etc smart Switches on the smart scan testing feature arc Switches on scanning of archives common archive file types like ZIP GZIP BZIP2 and others are supported rt Switches on scanning of run time compressed objects clean Switches on the automatic healing of infected files arcw Reports archives encountered during scanning rtw Reports run time compressions encountered during scanning macrow Reports macros encountered during scanning pwdw Reports password protected files encountered during scanning chan
12. 05 GRISOFT Inc Program version 7 1 23 Virus database version 67 14 1 206 a Test Button The Test button launches the on demand file system scan The text description provides information on the most recently performed test b Test Results Button The Test Results button opens the AVG 7 5 Free for Linux Test Results Viewer window Presented next to the button you will find the number of currently saved test results c Update Button The Update button launches the on demand update process Information on the last update performed is provided next to the button 4 1 3 Bottom Section At the very bottom of the application s main window you can find three fields with the AVG copyright info the current AVG 7 5 Free for Linux program version and the current AVG internal virus database version 4 2 Testing a Testing Interface On demand tests can be run using the shortcut Test button on the application s main panel or from the Tests folder in the top menu The following window opens b AVG for Linux Workstation Select Objects lo Test Enter full path to each object you want to test paths separated by semicolon bn mecia floppy home vykydal test_files o Y OB b VIM hin gt LIE boot t A dew gt O etc LIF home gt LIO avg E LES wykydal gt LAO Trash UG avg 1 camel_certs Qu eclipse emacs d 14 evolution LIG gaim Qu gconf b p b POB b gt
13. AVG 7 5 Free for Linux User Manual Document revision 75 2 26 8 2008 Copyright AVG Technologies s r o All rights reserved This product uses RSA Data Security Inc MD5 Message Digest Algorithm Copyright c 1991 2 RSA Data Security Inc Created 1991 This product uses code from C SaCzech library Copyright c 1996 2001 Jaromir Dolecek lt dolecek ics muni cz gt This product uses compression library zlib Copyright c 1995 2002 Jean loup Gailly and Mark Adler This product uses libtar library Copyright c 1998 2003 University of Illinois Board of Trustees Copyright c 1998 2003 Mark D Roth This product uses compression library libbzip2 Copyright c 1996 2002 Julian R Seward This product uses XML parser library expat Copyright c 1998 1999 James Clark This product uses library libcurl Copyright c 1996 2003 Daniel Stenberg lt daniel haxx se gt This product includes Flex software developed by the University of California Berkeley and its contributors Copyright c 1993 The Regents of the University of California This product uses Mailshell SoamCompiler copyright c 2006 Mailshell All other trademarks are property of their respective owners Contents LL AEFOGUCTION ri 4 2 Before I nstallation ri a 5 Zele PECOU E raran a EEE E EE an 5 2 2 Additional Prerequisites for the Graphical User Interface ccceeeeeeeee 5 223 AMecailatlOn Packade serrat atada 5 3 Installation and Launch ccccccccccccc
14. Linux Select Objects to Test window will open after the test launch 4 4 2 Scheduler You can also schedule tests and updates to be performed automatically at specified times a Test Schedule Two tabs are displayed within the Test schedule branch O When to test tab switch on off periodic tests and select time when the test will be launched b w AVG for Linux Workstation Properties 15 x E Tests Test scheduling v amp Scheduler 2 Test schedule When to test What to test Update scheduli dy Test results i Update Start at 14 allaz E A License Periodically stan scheduled antivirus test 2 daily O on selected days of week of month CI Sunday 1 C Monday O 2 C Tuesday 03 Wednesday Da _ Thursday Os C Friday Lle C Saturday MI Start antivirus test after reboot You can select whether you want to perform tests daily or on selected days using the respective options When selecting the latter option you can choose on what days of week or month exactly you want the tests to be executed then The day time is defined using the Start at field for both options O What to test tab select the objects and locations to be tested AVG for Linux Workstation Properties 2 Tests v amp Scheduler Test schedule Upcate schedule dy Test results Him bin TE Update gt Oia boot t LIS dev gt UG ete OF home Pb OG avg gt WO vykydal t LIE
15. R_Test home vykydal test_fil is OK home vykydal test_fil Trojan horse PSW Bancos 2 Al E ee ey Test statistics Wed 04 Jan 2006 12 51 43 PM CET Scanned files 15 Scanned sectors 0 Infected files T Infected sectors Objects viewed 15 15 Stop a tal The AVG 7 5 Free for Linux Test Results Viewer window can be opened using the shortcut button on the application s main panel or from the Tests folder of the top menu A list of particular test results is given in the left panel of this window the list can be sorted date ascending descending Each item is accompanied with the test timestamp Click on an item in this list to display the test results in the right panel of the AVG 7 5 Free for Linux Test Results Viewer window There are two fields for each item o Path full path to the related file e Result short description of the respective result e g is OK Virus identified VIRUS NAME or Cannot open not checked Permission denied By right clicking on the listed item a context menu will be displayed with the option to delete the selected result In the bottom section of the AVG 7 5 Free for Linux Test Results Viewer window you can overview the Test statistics providing information on the date and time of the test launch the number of scanned and infected files and the number of scanned and infected sectors You can check also the progress of the scanning within the Objects vi
16. ccccccccccceccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeens 6 3 1 Distributions Currently Supported cccoccccccccccccccnnnncnnnnnnn nc 6 3 24 The Installation PFOCESS sescicianan irritada 7 3 3 Product Registration cccoconcncocroconccnncrnnr rr r rr cnn rr rr rr 7 3 4 Installation of GUI from a Specific Package occcccnccncccccnnccnnnannnnnnnnnnn no 8 3 5 Launching AVG Free for Linux FreeBSD 0occcccoccccccccnnnnncnc cnn 8 4 Graphical User Interface 9 Avy IMtroducHon to the GUD ans 9 Alale WOO MICU OCA C RC0 0 0 0 UPU PD seen uesedaideas ue nigesucoanrauuuenemee ead 9 Paes bola ol el AP o 10 Ast DOLLOM SCCUON sisas aiii 11 A APP o e 11 Ada TOERE UT emos 13 ais precia AP en ceseseue teres se saneeesseeeeeeess 14 etal VESES E E A E A E E A 15 As OCR o a AE AA N 16 Atos Test ROSS oE EE A E AE A 18 et ey UIO T EEE AE PP ETE 19 Ans LICENSE o T AREA 20 BOG a Cae APP e 21 4 5 1 Update Priority Levels cc ccccccecssseeeereeeeeccsseeeeeeeeeeeeeguuaanneeeengs 21 4 5 2 Performing an Update ccccccscesseeeeeeeeeeeeccnseeeeneeeseeeagugannneeeengs 22 5 Standalone Command Line ModuleS ssssssss2ss2u22 22 222z2uzuuzuusuunnunnnnnnn 24 Sl AVGSCAN COM Mad errar naci n 24 S1 Example USO risas da di 27 Da2 AVGUPDPDATE COMMA iru 27 Ds oe y eo CaN aa UP A eneseeeteseeceeece 30 e VICE A sor 32 6 CONTIGUFATION Plena 34 Dele Ate CON NO perenne et tne E te en ee ee ee eee eee 34 6 2 On
17. e ni 2 Test results License setlings XXX XXX XXX XXX XXX LURY User name i Update New license number sa e i teenvo r 1 4 1 51 URY Sum Pax If you are not running the AVG 7 5 Free for Linux as the root you will be asked for the root password first see the following screen AVG for Linux Workstation Properties O Tests 3 Scheduler Test schedule Update schedule Current license XXX XXX XXX XXX XXX 51 URY License settings y Test results i Update User name howl al Grsoft Rou root superuser can change license information Password for root pur To 4 5 Program Updates Anti virus systems can guarantee reliable protection only if they are updated regularly AVG 7 5 Free for Linux provides a reliable and fast update service with quick response times The update process can be fully controlled also from AVG 7 5 Free for Linux Currently the graphical user interface update feature only covers the updating of virus malware definition files It does not include updates to the graphical user interface However for non experienced Linux user it is much more comfortable to perform an update using the graphical user interface instead of running an update with the avgupdate command line module 4 5 1 Update Priority Levels AVG offers three update levels O Priority update The priority update contains changes necessary for a reliable anti virus protection Typically these are important
18. ewed field that shows how many items have been processed and the overall number of items to be processed Pressing the Stop button below the Test statistics field will interrupt the results display useful for especially long test results messages 4 4 Program Settings The configuration window AVG 7 5 Free for Linux Properties can be opened from the Service folder of the top menu Tests gt amp Scheduler dh Test results Scan details i Update lUcerse General File extensions C Use Smart scan Extensions Exceptions Exclude extensions Archives Process archives In the window s left section you can see the control tree with the following branches Test Scheduler Test results Update License Select a section to display and configure the settings options in the window s right panel The dialog window also provides three control buttons a b Apply to save all configuration changes OK to confirm all changes Cancel to close the window without applying the configuration changes 4 4 1 Tests Scan Details Tab Configure the test scanning performance settings in four sections O General heuristic analysis can be switched on off O File extensions specific file extension masks can be selected for scanning and the AVG engine Smart scan feature can be enabled disabled here smart scanning means that the files are scanned not only according to the specified extensio
19. file describing the update process will be created when this option is selected By default the log file is stored as opt grisoft avg7 var update log avg7upd log O corrupted or missing O not create backups of older files O O Only complete update files select this option when your AVG 7 5 Free for Linux installation is seriously damaged you can perform a repair of your AVG 7 5 Free for Linux this way The priority levels are O priority O recommended O optional Source tab In this section you can configure various update options such as creating log files The Source tab allows you to define where the update files should be taken from the Internet a specified folder or from defined files see chapter 4 5 Program Updates for additional information on the updates in general and on priority levels AVG for Linux Workstation Properties Y Tests Y 8 Scheduler Test schedule Update schedule Test results License O Folder soft avg7 varfupdate download O Files A Select Updale settings Update source ash P 4 4 5 License Enter the license information User name Company and New license number here Entering a new license number is required when upgrading your AVG 7 5 Free for Linux installation or reactivating the expired license AVG for Linux Workstation Properties 5 x e Tests Y 8 Scheduler Test schedule Update schedule Current licens
20. fo sh You have to run this script as root To find out whether you are logged in as root use the command whoami If the answer is root everything is all right If not use the su command and apply the superuser password to change your identity to the root Note The fact you are logged in as root is usually indicated by the character at the beginning of your prompt Normal user identity is indicated by the character 3 3 Product Registration After the installation process you need to register your AVG 7 5 Free for Linux unless it has been registered already during the installation process this applies to special packages for AVG 7 5 Free for Linux vendor partners The registration can be performed by launching one of the following commands in your shell see chapter 5 1 AVGSCAN Command for more details avgscan register avgscan register lt your license number gt Alternatively the registration can be performed using the graphical user interface as root see chapter 4 4 5 License 3 4 Installation of GUI from a Specific Package The graphical user interface GUI can be installed from specific packages found at http www avg com Download Programs section RPM deb packages are available If your distribution supports RPM installation you can install the GUI from the RPM package Choose the package string distribution appropriate for your distribution Download the latest rpm and install
21. g daemon s port port number the daemon listens on possible values are positive integers preferably assigned to unused ports the default value is 55555 unixSocketName the name of the Unix socket used for the e mail scanning daemon communication purposes the default value is tmp avg sock address local IP address the daemon is bound to should be the same as the local address of your e mail server possible values are numerical strings according to the IP address decimal representation syntax the default value is 127 0 0 1 numOfDaemons the number of daemons possible values are non negative integers the default value is 2 specifying the number to O will disable the daemon smtpAddress Address of SMTP server used for sending notifications in case of using of Postfix also the address of delivering queue default value localhost smtpPort Port number of SMTP server default value 10025 enableAntispam Enable antispam engine values O disable 1 enable default value O antispamConfigDir Location of antispam configuration directory default value opt grisoft avg7 etc antispam spamLevel Threshold defining spam score regarded as spam genrally lower threshold means higher spam catch rate but also higher probability of false positives for details see antispam engine documentation values 1 99 default value 70 onVirusAction Action to be taken in case of virus detection Possible values are
22. gew Reports changes encountered during scanning ignlocked Makes the scanner ignore locked files register LICENSE Registers AVG 7 5 Free for Linux It is necessary to enter the valid license number either on the command line right after the register option separated by the space character or later when prompted after the command execution without license given on the command line Parameter Description report FILE Reports messages about the test progress and results to the specified file the file name must be given right after this option and separated by the space character when the specified file already exists it will be overwritten repappend FILE Reports messages about the test progress and results to the specified file the file name must be given right after this option and separated by the space character in reverse to the previous option an existing file can be used to append the information to the end of the file when a new file is specified it will be created repok Switches on reporting of uninfected files is OK stoplevel N Pauses when an erroneous state is encountered during scanning Requires the integer argument N defining the internal code of a state in which the scan shall be paused h help Prints a brief overview of the program s options and usage pup Results in the detection of potentially unwanted programs within the scanning
23. information f offline Performs an offline update from the location specified in the given path or list as described in the beginning of this paragraph S antispam Update the Anti Spam database by sending a command to the AVG daemon AVG daemon downloads new Anti Spam database and reloads it for running daemons Parameter Description d download Only downloads update files without applying them the download directory is specified in the AVG configuration file See section 6 Configuration File for detailed information p priority NUM Specifies the priority of an update explicitly the possible priority numbers are 2 priority update 3 recommended update 4 optional update c config FILE Forces use of a configuration file other than the default one etc avg conf The filename with the specified path if necessary is given by the FILE argument j no diff Even when smaller binary diff files are available only the full update files will be downloaded this option can be useful when some parts of your AVG 7 5 Free for Linux installation are corrupted or missing b no backup When this option is selected the update process will not create backups of older files n no progress avgupdate does not display update progress information after selecting this option no log No log file describing the update process will
24. it t rpm i avqgui 1 0 r l ase distribution 1306 rpm For installation from deb package i e on Debian and Ubuntu distributions Download latest package and install it dpkg i avggui 1 0 release 1i386 deb Launch the opt grisoft avggui bin avggui_ update_licinfo sh script as root for updating license information after installation Note You can configure PAM authentication used in avggui run by a non root user when changing license information in the file etc pam d avggui 3 5 Launching AVG Free for Linux FreeBSD In the GNOME 2 x or KDE 3 x x versions of these popular graphical desktop environments you should see an AVG Free for Linux FreeBSD icon in the menu after proper installation an example screenshot from the KDE menu AVG for Linux Workstation Ss Calculator Ea Character Map KPalmDOC KSaylt kip KSig KTnet kttsmar SX MultiSynk StarDict A Text Editor pel VNC Viewer amp Word Translator Click on the icon to launch the AVG Free for Linux FreeBSD graphical user interface To launch AVG Free for Linux FreeBSD from the command line execute the avggul command 4 Graphical User I nterface 4 1 Introduction to the GUI The item AVG 7 5 Free for Linux should be added into your desktop menu system automatically during installation Its location depends on the distribution used and your desktop environment It is also possible to run it from the console with
25. lation packages names o the distribution stands for the linux distribution used see 3 1 Distributions Currently Supported o the release stands for the minor version number of AVG 7 5 Free for Linux e the vdb_ version string stands for the AVG 7 5 Free for Linux internal virus database specification number 3 1 Distributions Currently Supported Distribution Installation package Mandrake Linux avg75film r version af version of avi i386 rpm Mandriva Red Hat Fedora Core avg75flir r version a version of avi 1386 rpm Red Flag SuSE avg75fls r version a version of avi i386 rpm Debian Ubuntu and other distributions using the Debian packaging system avg75fld r version af version of avi i386 deb 3 2 The Installation Process The installation process will automatically determine all features of your system and will perform the proper installation of AVG 7 5 Free for Linux on your computer Performing installation from the packages mentioned in the table above also installs the AVG 7 5 Free for Linux command line modules See section 5 Standalone Command Line Modules for detailed information on this topic At the end of the installation you will be prompted to enter some additional license information to ensure that it will be correctly displayed in the graphical user interface Launch the following script in your shell opt grisoft avggui bin avggui_ update_licin
26. lib Test scheduling License qm a Update Schedule Switch on off periodic check for Internet updates and select time when an update will be performed e Tests AVG for Linux Workstation Properties _ Update scheduling 0 x Y Scheduler Test schedule Periodically check for updates Update schedule aif pad Start at l3 34 130 tS ay Test results A with random delay of max 30 minutes E Update BEJ License daily Ci on selected days of week of month O Sunday O1 FE C Monday B CI Tuesday 113 C Wednesday O4 C thursday Os Ol Friday C Saturday B O7 Os E L Check for updates after reboot oe Apply Y OK E Canrel You can select whether you want to perform updates daily or on selected days using the respective options When selecting the latter option you can choose on what days of week or month exactly you want the updates to be executed then The day time is defined using the Start at field for both options a You can also set the time of random delay in minutes of update execution this is useful for example in cases when the update source is not responding for some time 4 4 3 Test Results Number of saved results specify the number of results to be saved Delete results older than define for how long the test results should be saved before they are deleted Result
27. lware definition files It does not include updates to the graphical user interface However for non experienced Linux user it is much more comfortable to perform an update using the graphical user interface instead of running an update with the avgupdate command line module O for details on updates d Information Folder O About AVG item opens the Information window with the four tabs Program tab displays information about the License number User name Company name and AVG Program and Virus database versions System tab displays the current user name and various system information License text tab displays the full wording of the AVG License Agreement Contacts tab displays contact information to AVG worldwide and regional partners w oe AVG for Linux Workstation Information System License text Contacts AVG Anti Virus Free Edition License number OOOO CODO MA ee EEE User name novi Company name Grisoft Program version 71 23 Virus database version 267 14 1 206 4 1 2 Main Panel Below the application s top menu there is the main panel with shortcut buttons for the most commonly performed actions AVG for Linux Workstation BENE Program Tests Service Information AVG Anti Virus Free Edition Last test was performed on Wed 08 Feb 2006 06 4010 PM CET ard virus was found Last update was performed on Mon 27 Feb 2006 02 12 02 PM CET Copyright c 20
28. ly from the command line or configured only in the AVG 7 5 Free for Linux configuration file Note The command line modules are designed for proficient Linux system users with strong command line and console interfaces experience However these modules offer ultimate configuration and scanning options useful especially for system administrators 5 1 AVGSCAN Command The avgscan command is intended to perform various on demand tests Its performance is comprehensively controlled by the command line parameters The general syntax of the command is avgscan options path paths The path paths string stands for a single path or multiple paths to be scanned The multiple paths are given in a list separated by the space character a single object can be also given to be processed by the scanner When no options are specified a generic scan is performed for the given path s Note Although the avgscan command itself can manage only the on demand test you can also use it to create scheduled tests by incorporating the cron Linux system utility See the manual pages man cron crontab or the respective documentation for detailed information The options for the avgscan command and their descriptions are given in the following table Parameter Description scan Simple generic scan of the given objects and or locations heur Switches on the heuristic analysis exclude Excludes a particular path or paths from the scan
29. naged by sending them a Signal at once via the following command on most systems etc init d avgd start stop restart reload status condrestart On Slackware use etc rc d rc avgd start stop restart reload status condrestart The options in the square brackets represent the possible signals that can be sent to the AVG 7 5 Free for Linux daemons e start starts the daemons o stop stops the daemons o restart restarts the daemons e reload forces the daemons to reload the internal virus database e status shows the status of the daemons o condrestart conditionally restarts the daemons Note You can only control the AVG 7 5 Free for Linux daemons as root this way The on access scanning performance can be configured using the common AVG 7 5 Free for Linux configuration file See chapter 6 Configuration File for detailed information 6 Configuration File The common configuration of AVG 7 5 Free for Linux command line modules e mail scanner and update process is covered in the avg conf file usually located in the opt grisoft avg7 etc directory The general syntax of the configuration file is described as follows comments lt section name gt lt parameter name gt lt valuel gt lt value2 gt lt parameter name gt lt value3 gt comments lt Veu anorher section gt parameter for this Section gt Ito value gt The character indicates a comment the rest of the line f
30. ne Modules Powerful standalone command line modules are included in all editions of AVG 7 5 Free for Linux You can perform all possible on demand file system tests and updates using these modules They can be also utilized within for example the cron utility in order to schedule a regular automatic test or update Note The use of command line modules is strictly recommended for proficient Linux users that have significant experience with Linux administration from command line and console interfaces 2 Before Installation 2 1 Prerequisites Before installing AVG 7 5 Free for Linux you must verify that your system meets the following requirements a b Libraries The following libraries are required in order to ensure the AVG 7 5 Free for Linux kernel can be installed and run properly O libc so 6 Linux DAZUKO Kernel Module The DAZUKO kernel module is necessary for the proper function of AVG 7 5 Free for Linux on access scanner Please use the latest stable version of DAZUKO available for free at http www dazuko org see chapter 5 3 On access Scanner for detailed information on this topic 2 2 Additional Prerequisites for the Graphical User I nterface a b Python Language Interpreter In order to ensure the graphical user interface will be available verify that the system is provided with the Python language interpreter Python versions 2 2 and higher are currently supported You can check your Python ve
31. ns but also according to their physical content possibly dangerous internal code structures no matter what extension they have O Exceptions files with extensions defined in this section will be excluded from scanning O Archives archives processing can be switched on off in the group Report Tab O Tests gt Scheduler Y Test results Scan details Report Default scan objects E Update X License Test settings Report Report macros _ Report password protected files Report uninfected files as OK C Do not report locked files 7 A Switch on off the reporting of various events encountered during the scan These reports are written to the file containing specific test results c Default Scan Objects Tab Select locations and objects to be scanned by default The objects and paths can be selected from the file system tree AVG for Linux Workstation Properties Tests 8 Scheduler Test schedule Update schedule Y Test results i Update License Test settings Scan details Default scan objects C Use this test by default US 3 arch Jasfxload 3 awk basename 3 bash cat 4 Apply 98 Cancel Cancel When you select the Use this test by default option the objects and locations selected in this window will be scanned whenever the on demand test is run This means that no AVG 7 5 Free for
32. ok home user scans user s home directory reporting uninfected files as OK avgscan report reports report00l avg home user scans the user s home directory and reports the test results into the file report001l avg in the reports directory in the actual user s home avgscan repappend reports report001 avg home user scans the user s home directory and appends the test results to the file report001l avg in the reports directory in the actual user s home avgscan arc repok home user scans the user s home directory including archives reporting uninfected files as OK avgscan ext rt arc heur home scans the files with any extension in the home directory including the run time compressions and archives Note For online help on the avgscan command type the following in your shell man 1 opt grisoft avg7 man man1 avgscan 1 gz 5 2 AVGUPDATE Command Anti virus systems can guarantee reliable protection only if they are updated regularly AVG 7 5 Free for Linux provides a reliable and fast update service with quick response times via the avgupdate command line utility AVG offers three different update levels update levels of lower importance automatically include more critical ones o Priority update The priority update contains changes necessary for reliable anti virus protection Typically these are important virus definition updates These updates should be applied as soon as they are available
33. ollowing this character is ignored and will not be processed The square brackets and characters enclose a section name All entries following the section specification until another section specification or end of file are considered as configuration options related to the respective section The entries for each section consist of the parameter name and its value or values specified after the character The values can be either numeric integer or strings The numeric 1 0 values usually represent enabling disabling of the respective feature specified by the parameter name Multiple values for one parameter can be separated by white space characters for example space tabulator etc or by a new line the parameter name must be given again in this case If you are logged in as root you can change the parameter values directly in the configuration file avg conf using any plain text editor e g vi vim pico joe gedit emacs jed jedit ed The configuration file consists of four sections 6 1 AvgCommon Configuration of the common features of AVG 7 5 Free for Linux memory resident services daemons in general o runtimeCompression scanning of files with runtime compression possible values are O or 1 the default value is 1 runtime compression scanning enabled heuristicAnalysis using of heuristic analysis scanning possible values are O or 1 the default value is O heuristic analysis disabled
34. ossible values are strings according to the path specification syntax the default value is proc numOfDaemons the number of on access scanning preforked daemons possible values are non negative integers from O to 10 the default value is 2 because of possible multiple access to the same file Specifying the number as 0 will disable on access scanning scanOnOpen scan files when they are being opened possible values are O or 1 the default value is 1 scan files upon opening This is the recommended setting scanOnClose scan files when they are being closed possible values are O or 1 the default value is O do not scan files upon closing scanOnExec scan files when they are being executed possible values are O or 1 the default value is O do not scan files upon executing scanOnCloseModified scan files when they are being closed if they have been modified possible values are O or 1 the default value is 1 scan modified files upon closing excludeFileSuffix the list of file suffixes ignored by the on access scanner possible values are strings according to suffix specification syntax example values jpg gif the default value is none onVirusAction specify what action to take when a virus is detected Possible values are O do nothing default 1 move file into quarantine 2 try to heal file 6 3 E mail Scanning Configuration AvgDaemon Configuration of the AVG 7 5 Free for Linux e mail scannin
35. p b Select the locations to be scanned in the file system tree or enter the full paths into the upper text field Press the Apply button to include the selected paths into the test To run the test press the Start test Test Progress AVG for Linua Workstation Test Proyress Result Infection Path button HLLP 3072 b exe May be infected by unknown virus hone vykydal test_files HLLP 30 2 b exe HLLP 7408 exe May be infected by unknown virus fhone vykydal test_files HLLP 7408 exe SSIWG U VBS Virus found VBS SSIWG hone vykydal test_files SSIWG U VBS W3ACEB EXE Virus found Worm Newbiero hone vykydal test_files W3ACEB EXE W3ALIZA EXE Virus idenified LWorm Aliz Hhomelvykydal test_filesW3ALIZ A EXE Scanned objects 415 Infected objects 86 fhome vykydal vmware shared_folder AvgGui viry viry S1 W32 K LEZ C W 32K LEZ C EXE The test progress will be displayed in the following Test progress window there are three main sections within this dialog window O File identification of the object O Result Infection information on the test result and or infection relating to the given object O Path full path of the given object Note Clicking on continuously scrolling list of reports stops the scrolling Dragging the vertical scrollbar to the bottom sets the scrolling on again Press the Stop button to interrupt the test in progress al Errors O c Test Properties The
36. re leave the default off value backupDir the location of the backup directory that is used for storing the backup data before performing the update itself possible values are strings according to the path specification syntax the default value is opt grisoft avg7 var update backup preinstallDir the location of the directory that is used for storing the update data before installing them the directory is cleared after completing the update possible values are strings according to the path specification syntax the default value is opt grisoft avg7 var update preinstall downloadDir the location of the directory that is used for storing the downloaded update files unless the avgupdate d command line option is specified the directory is cleared after finishing the update possible values are strings according to the path specification syntax the default value is opt grisoft avg7 var update download logFile the location of the update log file possible values are strings according to the path specification syntax by default opt grisoft avg7 var update log avg7upd log logLevel the update logging level possible values are integer numbers from 1 to 3 the default value is 1 O 1 lowest logging level only the update start finish information is recorded O 2 medium logging level some more information on various update phases is recorded O 3 maximum logging level detailed informa
37. rforms the online update downloads and applies the complete update file and writes no information into the log file Note For online help on the avgupdate command type man 1 opt grisoft avg7 man manl avgupdate 1 gz in your shell 5 3 On access Scanner The DAZUKO kernel interface for file access control must be inserted as a module into your kernel in order to enable the on access scanning using the AVG 7 5 Free for Linux engine You can download the latest version of DAZUKO at http www dazuko org It is recommended to download the latest version available especially if you are running the kernel of major version 2 6 or higher To install the DAZUKO kernel module follow these instructions a Get your Kernel Source Code It is highly recommended to build and install a kernel from the actual kernel sources first Then it is certain that the kernel source code you use to build DAZUKO matches the running kernel Many Linux distributions provide b c packages with the kernel source code If you do not plan building a completely new customized kernel make sure you install the proper kernel source packages for your distribution Note If you do not have any experience with building the Linux kernel you should not attempt to install DAZUKO unless you get some information and practice in hacking the Linux kernel internals Compile DAZUKO Once the source code for your running kernel is available you can build DAZUKO You
38. rsion using the python V command in your terminal In most current Linux distributions the Python language interpreter is included by default If this is not the case you will have to download the required version for free from http www python org and install it following the instructions included in the installation package for your Linux distribution Python Modules The AVG 7 5 Free for Linux graphical user interface is implemented using PyGTK widgets verify that the system is provided with the PyGTK Python module versions 2 0 and higher are currently supported Also the libglade and pygtk libglade libraries versions 2 0 and higher must be installed on your computer Again all these modules and libraries are standard parts of most current Linux distributions If you do not have the required PyGTK module or pygtk libglade library version you can download them from http www pyatk org for free and install them following the instructions included in the installation package for your Linux distribution The libglade library can be downloaded and installed in the same manner from http glade gnome org 2 3 Installation Package AVG 7 5 Free for Linux installation packages are available on the installation CD in the form of RPM or deb packages for various Linux distributions You can also download the latest appropriate package version from http www avg com Download Programs section 3 Installation and Launch The AVG Free for
39. s destination specify the test results file location or select the location using the Browse button AVG for Linux Workstation Properties Tests 8 Scheduler amp Test schedule Update schedule A E Delete results older than 30 days ZE Update 1e vykydal avg7 testresults ESPE license Test result settings d l Number of saved results results Results destination T a 4 4 4 Update Options tab In this section you can configure various update options such as creating log files restarting the AVG 7 5 Free for Linux daemons etc It is also possible to indicate the desired update priority level pa Tests Y 8 Scheduler iD Test schedule Update schedule 3 Test results AVG for Linux Workstation Properties BEE Update settings Update options License C Do not create log file L Only complete update files Ignore binary ditt files _ Do not create backup files Update priority priority C recommended O optional Te The update options are Ignore binary diff files even when smaller binary diff files are available only the full update files will be downloaded this option can be useful when some parts of your AVG 7 5 Free for Linux installation are Do not create backup files when selected the update process will Do not create log file no log
40. test properties can be edited within the Test Properties window that can be opened from the Service folder of the AVG 7 5 Free for Linux top menu see chapter 4 4 Program Settings for detailed information on test settings d Test Results Info After the test has been completed or interrupted by the user a window with brief information on the test results will be displayed see chapter 4 3 Test Results for detailed information Test Statistics VIRUS FOUND Information about test Objects tested 103 Objects infected 6 Errors 0 e Test Schedule It is also possible to schedule a test to be performed automatically see chapter 4 4 2 Scheduler for detailed information on the Scheduler features 4 3 Test Results _ AVG for Linux Workstation Test Results Viewer 2006 01 05 14 47 2006 01 04 12 51 2006 01 04 17 51 2006 01 04 12 45 2006 01 04 12 41 2006 01 04 12 38 2006 01 04 10 48 2006 01 04 10 47 2006 01 03 16 18 home vykydal test_fil is OK fhome vykydal test_fil Virus identified Vlenna t45 D Germ fhome vykydal test_fil Virus identified Vienna 645 D Germ home vykydal test_fil is OK home vykydal test_fil is OK fhome vykydal test_fil is OK home vykydalftest_fil is OK home vykydal test_fil Virus identified EICAR_Test home vykydal test_fil Virus identified EICAR_Test home vykydal test_fil Found some macros fhome vykydal test_fil Virus identified EICA
41. the command avggul After launching the program the following window will be displayed AVG for Linux Workstation Program Tests Service Information AVG Anti Virus Free Edition Last test was performed on Wed 08 Feb 2006 06 40 40 PM CET and virus was found Last update was performed on Mon 27 Feb 2006 02 12 02 PM CET Copyright c 2905 GRISOFT Inc Program version 7 1 23 Virus database version 267 14 1 206 4 1 1 Top Menu There are four folders in the application s top menu a Program Folder O Quit item closes the application b Tests Folder O Run test item launches the on demand file system anti virus scan see chapter 4 2 Testing for details on testing O Test results item opens the AVG 7 5 Free for Linux Test Results Viewer window see chapter 4 3 Test Results for details on test results c Service Folder O Program settings item opens the AVG 7 5 Free for Linux Properties window see chapter 4 4 Program Settings for details on configuration options O Update item launches the AVG update see chapter 4 5 Program Updates Anti virus systems can guarantee reliable protection only if they are updated regularly AVG 7 5 Free for Linux provides a reliable and fast update service with quick response times The update process can be fully controlled also from AVG 7 5 Free for Linux Currently the graphical user interface update feature only covers the updating of virus ma
42. the dazuko o or dazuko ko file to the lib modules src kernel char directory Create a link to module by adding the following line to the etc modules conf file alias char major 254 dazuko Insert the module as the root by executing on of the following commands sbin insmod dazuko o or sbin insmod dazuko ko for Linux 2 2 2 4 or Linux 2 6 kernels respectively To check if the module has been loaded use the cat proc modules or lsmod grep dazuko command If you see dazuko string along with its device major number usually 254 in the list of modules it is successfully installed and inserted Note If you get any warnings or error messages during the above described process something may be wrong with your kernel source code or configuration Please refer to the DAZUKO FAQ page at http www dazuko org for detailed information and possible fixes Once the DAZUKO module is installed and inserted the AVG 7 5 Free for Linux daemons responsible for the on access scanning will be fully functional You need to make sure the daemons are running and restart them if they have been stopped refer to the following paragraph to see how to do this Configuration of on access scanning daemon s is done via the file etc avg conf described in chapter 5 3 On access Scanner 5 4 Service Signals On access scanning daemons are controlled within common AVG 7 5 Free for Linux services The services can be comprehensively ma
43. tify the original sender when virus was detected values O no 1 yes default value O strongly recommended notifyRecipients Notify the original recipients when virus was detected values O no 1 yes default value O recommended notifyAddresses Recipients of notification default value notifyFrom Sender of notification default value notifyTemplate Template file with notification text in eml format The following macros found in the text are expanded FROMS from where the notification appears to come from RECIPIENTS original mail recipients SENDERS original mail sender VIRUSESS multiline list of detected viruses 6 4 AvgUpdate Configuration of the avgupdate module location the location where the update will be performed from possible values are strings according to the general URL the default value is http www avg com softw 70 update proxy specification of the proxy server possible values are strings in the form of host port where host is the address of a proxy server decimal or alphanumeric address notation e g 192 168 100 99 or proxy myserver com and port is the numeric specification of respective port to disable the proxy server leave the default off value proxyLogin specification of the proxy user enabled only when the proxy option is enabled as well possible values are strings in the form of user password for example frog swamp to disable this featu
44. tion on all update phases is recorded useful when an update fails for some unknown reason timeout specification of the maximum time the download can take in seconds possible values are non negative integers the default value is O no limitation posed upon the downloading time 7 AVG Quarantine AVG quarantine is a repostiory where infected e mails or files can be moved to for further processing this can be set as action to be taken on virus detection in the configuration file opt grisoft avg7 etc avg conf where the location of the quarantine can be changed too 7 1 avgqrtctl Quarantine Control Utility For basic management of the quarantine there is the utility avgqrtctl which enables listing in a specified order deleting or restoring files from the quarantine Files can be specified using regular expressions 7 1 1 Usage avgartctl 1L regexps path 7H 3 IETO VISI ID avggrtctl d regexps q path 1 avggrtctl r regexps q path i avggartetl V 7 1 2 Options ly last regexps List files matching regular expressions regexps stored in quarantine Files can be sorted using option S and header can be set to be repeated every 25 lines using option H See section 7 1 3 Output for description of information printed about each listed file Tr restore regexps Restore files matching regular expressions regexps stored in quarantine to their original filename and destination
45. virus definition updates These updates should be applied as soon as they are available O Recommended update The recommended update contains various program changes fixes and improvements O Optional update The optional update reflects changes that are not necessary for program functionality texts updates of the setup component etc Optional updates can be downloaded and applied together with recommended updates but the timeliness of implementing them is not urgent When scheduling an update it is possible to select which priority level should be downloaded and applied Update levels of lower importance automatically include more critical ones see section 4 4 4 Update for more information a b 4 5 2 Performing an Update Two types of an update are distinguished within AVG 7 5 Free for Linux On demand update The on demand update is an immediate program update that can be performed any time the need arises You can start it by pressing the Update button in the AVG 7 5 Free for Linux main panel or from the Service folder of the top menu Having launched the on demand update you will be able to see the following screen AVG for Linux Workstation Update ac Anti Virus File name Downloaded Size Done Speed ufavibS1u539uz bin 223 58KB 466 12KB 47 112 32KB s Downloading update files The screen brings information on O File name the name of the file being currently downloaded O Downloaded Size
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