KAPERSKY ANTI-VIRUS 5.0 - FOR SENDMAIL WITH MILTER... Use and care manual

KASPERSKY LAB
KasperskyAnti-Virus®5.0
forSendmailwithMilterAPI
ADMINISTRATOR'SMANUAL

KASPERSKY ANTI-VIRUS®5.0 FOR SENDMAIL
WITH MILTER API
Administrator's manual
©Kaspersky Lab
http://www.kaspersky.com
Revision date: March 2005

Contents
CHAPTER 1. KASPERSKY ANTI-VIRUS®FOR SENDMAIL WITH MILTER API....... 6
1.1. Hardware and software system requirements ..................................................... 7
1.2. Licensing policies................................................................................................... 8
1.3. Distribution kit ........................................................................................................ 8
1.4. Help desk for registered users .............................................................................. 9
1.5. Adopted conventions........................................................................................... 10
CHAPTER 2. TYPICAL DEPLOYMENT SCENARIOS ............................................... 12
2.1. Installing Kaspersky Anti-Virus on the same server with your mail system ...... 12
2.2. Installing Kaspersky Anti-Virus on a dedicated server....................................... 14
2.3. Installing Kaspersky Anti-Virus as a filter (single or additional).......................... 15
CHAPTER 3. INSTALLATION AND UNINSTALLATION OF KASPERSKY ANTI-
VIRUS ......................................................................................................................... 16
3.1. Software installation on a server running Linux.................................................. 16
3.2. Software installation on a server running FreeBSD or OpenBSD..................... 17
3.3. Installation process.............................................................................................. 17
3.4. Post-install setup ................................................................................................. 19
3.5. Location of application files and directories ........................................................ 19
3.6. Software uninstallation on a server running Linux.............................................. 21
3.7. Software uninstallation on a server running FreeBSD or OpenBSD................. 21
3.8. Uninstallation process ......................................................................................... 21
CHAPTER 4. RECOMMENDED OPERATION MODES ............................................ 23
4.1. High overall security mode.................................................................................. 23
4.2. Top reliability mode ............................................................................................. 24
4.3. Optimal operation mode...................................................................................... 25
4.4. Top performance mode....................................................................................... 25
CHAPTER 5. USING KASPERSKY ANTI-VIRUS FOR SENDMAIL WITH
MILTER API................................................................................................................ 27
5.1. Delivering disinfected messages to recipients ................................................... 27

4 Kaspersky Anti-Virus®for Sendmail with Milter API
5.2. Blocking infected messages ............................................................................... 28
5.3. Delivering protected messages........................................................................... 30
5.4. Sending notifications to senders, recipients, and administrator......................... 30
5.5. Filtering e-mail traffic by attachments ................................................................. 33
5.6. Updating the anti-virus database and application kernel ................................... 34
5.7. Backing up e-mail messages.............................................................................. 34
CHAPTER 6. ADDITIONAL SETUP ............................................................................. 36
6.1. Integrating the application into your mail system................................................ 36
6.2. Installing and uninstalling the remote management module ............................. 38
6.3. Defining an e-mail scan policy ............................................................................ 40
6.4. Adjusting scan thoroughness.............................................................................. 40
6.5. Selecting objects to scan..................................................................................... 41
6.6. Message status ................................................................................................... 41
6.7. Assigning actions for objects............................................................................... 42
6.8. Selecting objects to be filtered and assigning actions........................................ 43
6.9. Configuring backup options................................................................................. 44
6.10. Configuring database and kernel module updates .......................................... 45
6.11. Customizing notifications................................................................................... 46
6.11.1. Notification templates ................................................................................. 48
6.11.2. Customizing notification templates ............................................................ 50
6.11.2.1. Macros.................................................................................................. 50
6.11.2.2. Iteration constructs............................................................................... 51
6.11.2.3. Scope of visibility for an iterative statement ........................................ 52
6.11.2.4. Variables .............................................................................................. 53
6.11.2.5. Language syntax ................................................................................. 54
6.11.2.6. Notification macros for the application ................................................ 56
6.12. Reporting options .............................................................................................. 57
6.13. Parameters of update report generation .......................................................... 58
6.14. Statistics parameters......................................................................................... 60
6.15. Restarting Kaspersky Anti-Virus for Sendmail with Milter API......................... 60
6.16. Managing the application from the command line ........................................... 62
6.17. Localization of displayed date and time format ................................................ 63
6.18. Controlling the application performance ........................................................... 63
CHAPTER 7. USING LICENSES.................................................................................. 65

Contents 5
7.1. License keys management ................................................................................. 65
7.1.1. Viewing license key information ................................................................... 66
7.1.2. License extension ......................................................................................... 67
7.1.3. License key removal..................................................................................... 69
CHAPTER 8. COMPATIBILITY WITH OTHER KASPERSKY LAB
APPLICATIONS ......................................................................................................... 70
CHAPTER 9. VERFIFYING PROPER OPERATION OF THE ANTI-VIRUS ............. 71
CHAPTER 10. FREQUENTLY ASKED QUESTIONS................................................. 73
APPENDIX A. ADDITIONAL INFORMATION.............................................................. 77
A.1. Application configuration file ............................................................................... 77
A.2. Error return codes ............................................................................................... 84
APPENDIX B. MALWARE IN UNIX ENVIRONMENT ................................................. 86
B.1. Viruses................................................................................................................. 86
B.2. Trojan software.................................................................................................... 87
B.3. Network worms ................................................................................................... 88
APPENDIX C. KASPERSKY LAB................................................................................. 91
C.1. Other Kaspersky Lab products........................................................................... 92
C.2. Our contact information ...................................................................................... 95
APPENDIX D. LICENSE AGREEMENT ...................................................................... 96

CHAPTER 1. KASPERSKY ANTI-
VIRUS®FOR SENDMAIL
WITH MILTER API
Kaspersky Anti-Virus®for Sendmail with Milter API provides anti-virus protection
for e-mail traffic handled by Sendmail with Milter API running on a Linux\Unix
server.
Kaspersky Anti-Virus for Sendmail with Milter API running on a mail server will…
• Intercept incoming and outgoing e-mail messages handled by the server.
• Scan e-mail traffic for viruses using the anti-virus engine. The program
scans the entire message as well as message objects, including the
header, body, and attachment (depending on the anti-virus policy).
• Back up e-mail messages prior to performing any action related to anti-
virus protection, including blocking and rejecting messages. The adminis-
trator can then restore original messages from these backup copies.
• Handle infected objects of e-mail messages detected during the scan.
• Filter e-mail messages. This version of the product filters messages by
MIME type, size, and name of attachments.
• Notify the senders and administrators about the results of anti-virus
treatment and message filtering. The program may also send detailed no-
tifications using an external mail agent.
• Provide general statistics and reports on program performance.
For more details about these functions, please refer to the corresponding chapter
in this Administrator’s Guide.
The advanced features of Kaspersky Anti-Virus for Sendmail with Milter API
allow the administrator to perform the following tasks:
• Configure the application from a remote location through the web inter-
face of the Webmin application.
• Customize templates for sending notifications to senders, recipients, and
administrators using a special language.

Kaspersky Anti-Virus®for Sendmail with Milter API 7
1.1. Hardware and software system
requirements
For smooth operation of Kaspersky Anti-Virus for Sendmail with Milter API, your
mail server must meet the following hardware and software requirements:
Minimum hardware requirements for program operation:
• Intel Pentium 133 MHz processor or higher
• 32 MB RAM
• 100 MB available space on your hard drive (this amount does not include
space necessary for storing backup message copies).
Minimum hardware requirements for a mail server with about 800 MB of traffic
per day 1 (250-300 mail accounts (addresses)):
• Celeron (Mendocino) 400 MHz processor
• 512 MB RAM
• 8 GB available space on your hard drive (this amount does not include
space necessary for storing backup message copies).
Optimal hardware requirements:
• For a mail server with about 800 MB of traffic per day (250-300 mail ac-
counts (addresses)):
• 2xPentium Xeon 1,8 GHz processor
• 1 GB RAM
• 100 MB available space on your hard drive (for Kaspersky Anti-
Virus operation).
• For a mail server with about 400 MB of traffic per day2(100-150 mail ac-
counts (addresses)):
• Pentium III 900 MHz processor
• 512 MB RAM.
1The following scheme is used to calculate daily traffic: average message size is 60 KB,
during 10-hour period, with 25 scan processes working in parallel, about 13200 messages
are processed, which totals to 800 MB.
2The following scheme is used to calculate daily traffic: average message size is 60 KB,
during 10-hour period, with 25 scan processes working in parallel, about 6666 messages
are processed, which totals to 400 MB.

8 Kaspersky Anti-Virus®for Sendmail with Milter API
Software requirements:
1. One of the following operating systems:
• Linux RedHat (v. 8 or 9), Linux SuSE (v.8.2, 9.0 or 9.1) or
Linux Debian (v. 3.0)
• FreeBSD, v. 4.9, 4.10 or 5.2.1
• OpenBSD, v. 3.4
2. Sendmail version 8.11.x or higher with Milter API (installed)
3. Webmin program (www.webmin.com) (installed) to manage Kaspersky
Anti-Virus from a remote location.
1.2. Licensing policies
The following licensing policies are available for Kaspersky Anti-Virus 5.0 for
Sendmail with Milter API:
• Licensing by traffic
• Licensing by mail addresses
The type of the policy is defined by the license key you use.
Licensing by traffic covers a certain amount of mail traffic processed by the
application during one day. This information is provided in the license key.
Licensing by mail addresses covers the mail addresses of the domains that are
listed in the application configuration file and the mail addresses of the server on
which Kaspersky Anti-Virus is installed (the latter do not belong to the domain
structure).
Both types of licenses have a limited validity period, which is usually one or two
years since the date of purchase. The license validity period depends on the
license key you use.
1.3. Distribution kit
You can purchase Kaspersky Anti-Virus either from our distributors (retail box) or
in our Internet-shop (www.kaspersky.com, E-Store section).
When purchasing a retail box, you will receive the following distribution kit:
• A sealed envelope with an installation CD (or a set of floppy disks)
containing software product files

Kaspersky Anti-Virus®for Sendmail with Milter API 9
• Administrator’s guide
• License key written on the installation CD or a floppy disk
• License agreement
Before you unseal the envelope containing the CD (or floppy disks), be sure to
thoroughly review the license agreement.
When purchasing Kaspersky Anti-Virus in the Web-shop, you download the
product from Kaspersky Lab’s website. The distribution file contains the program
and the license key.
The License Agreement (LA) is a legal agreement between you (either an
individual or a single entity) and the manufacturer (Kaspersky Lab Ltd.)
describing the terms under which you may use the anti-virus product which you
have purchased.
Make sure to read the terms of the LA!
If you do not agree to the terms of this LA, Kaspersky Lab is not willing to license
the software product to you and you should return the unused product to your
Kaspersky Anti-Virus dealer for a full refund, making sure the envelope with CD
(or diskettes) is sealed.
If you have unsealed the envelope, you have agreed to all the terms of the LA.
1.4. Help desk for registered users
Kaspersky Lab offers a large service package, enabling registered users to
efficiently use Kaspersky Anti-Virus.
If you register and purchase a subscription, you will be provided with the
following services for the period of your subscription:
• daily virus-definition database updates via e-mail;
• product upgrades;
• phone and e-mail advice on matters related to your software installation,
configuration and performance;
• information about new Kaspersky Lab products and new computer vi-
ruses (for those who subscribe to our newsletter).
Kaspersky Lab does not give advice on the performance and use of
your operating system or various other technologies.

10 Kaspersky Anti-Virus®for Sendmail with Milter API
1.5. Adopted conventions
The text in this document is formatted in accordance with its meaning. The table
below lists the conventions adopted for use in the text.
Style Purpose
Bold type Menu titles, menu items, window titles,
parts of dialog boxes, etc.
Note.
Additional information, notes.
Attention!
Information that should be paid special
heed.
In order to perform the
action,
1. Step 1.
2. …
Description of procedure for user's steps
and possible actions.
Task, example
Statement of problem, example for
using the software features.
Solution
Solution to a defined problem.
[key] – key purpose. Command line keys.
Text of information mes-
sages and the command line Text of configuration files, informative
messages, and the command line.

CHAPTER 2. TYPICAL
DEPLOYMENT SCENARIOS
Kaspersky Anti-Virus for Sendmail with Milter API can be rolled out using the
following methods, depending on the initial configuration of your mail system and
specific needs of your organization:
• on the same server your mail system is on: this scenario is used by de-
fault if you have a configured Sendmail system on your server (see sec-
tion 2.1 on page 12).
• on a dedicated server: use this method if your mail server is under a high
load (see section 2.2 on page 14).
Note that in both cases the application will function identically, regardless of the
deployment scenario you choose. They differ only in the method of interaction
between Kaspersky Anti-Virus and Sendmail.
To configure Kaspersky Anti-Virus, consider other Milter filters integrated into
your mail system. If you have such filters, you can install Kaspersky Anti-Virus
as:
• a single Milter filter.
• Together with other Milter filters: if you have other mail filters, for exam-
ple, Kaspersky Anti-Spam (see section 2.3 on page 15).
The sections below describe each scenario in detail.
2.1. Installing Kaspersky Anti-Virus
on the same server with your
mail system
When describing the operation and configuration of Kaspersky Anti-
Virus in this guide, it is assumed that Kaspersky Anti-Virus has been
installed on the same server as your mail system.
Kaspersky Anti-Virus for Sendmail with Milter API processes incoming and
outgoing mail as follows:

12 Kaspersky Anti-Virus®for Sendmail with Milter API
1. Email traffic forwarded from other servers or from users arrives at
Sendmail.
2. The mail system then forwards messages to Kaspersky Anti-Virus
through Milter API for anti-virus processing.
3. Kaspersky Anti-Virus scans and handles email messages and,
depending on the settings, sends them back through Milter API to the
mail system. The anti-virus application can generate and send
notifications using an external mail agent.
4. The mail system then routes mail traffic to either external mail servers
or mailboxes of local users.
Therefore, you need to reconfigure socket options for Sendmail and Kaspersky
Anti-Virus during the installation of Kaspersky Anti-Virus. In this deployment
scenario, it is recommended that you use the local socket rather than the
network socket to speed up data transfer between the applications. Configure
Sendmail as follows:
• If you use sendmail.cf:
XKAVMilter, S=unix:socket_file_path,
F=T,T=S:10m;R:15m;E:15m
or
XKAVMilter, S=local:socket_file_path,
F=T,T=S:10m;R:15m;E:15m
• If you use sendmail.mc:
INPUT_MAIL_FILTER(`KAVMilter',
`S=local:socket_file_path,
F=T,T=S:10m;R:15m;E:15m')
or
INPUT_MAIL_FILTER(`KAVMilter',
`S=unix:socket_file_path,
F=T,T=S:10m;R:15m;E:15m')
• In the [kavmilter.global] section of the Kaspersky Anti-Virus configura-
tion file, make the following changes:
ServiceSocket=unix:socket_file_path
or
ServiceSocket=local:socket_file_path

typical deployment scenarios 13
2.2. Installing Kaspersky Anti-Virus
on a dedicated server
If your mail server’s load is consistently high, it is more reasonable to install
Kaspersky Anti-Virus on a dedicated server in order to avoid server malfunction,
because anti-virus processing of mail traffic consumes considerable server re-
sources.
• If Kaspersky Anti-Virus is installed on a dedicated server, it operates as
follows:
• The email thread arrives at the mail server with Sendmail installed.
• Sendmail then forwards messages to Kaspersky Anti-Virus through a
network socket.
• The processed mail thread, together with anti-virus notifications, is sent
back to the mail system for further delivery.
If Kaspersky Anti-Virus is installed on a dedicated server, you must use a net-
work socket for email traffic to be received and delivered via Sendmail.
Configure Sendmail as follows:
• If you use sendmail.cf:
XKAVMilter, S= inet:1052@ip_address,
F=T,T=S:10m;R:15m;E:15m
• If you use sendmail.mc:
INPUT_MAIL_FILTER(`KAVMilter',
`S= inet:1052@ip_address,
F=T,T=S:10m;R:15m;E:15m')
• In the [kavmilter.global] section of the Kaspersky Anti-Virus configura-
tion file, make the following changes:
ServiceSocket= inet:ip_address

14 Kaspersky Anti-Virus®for Sendmail with Milter API
2.3. Installing Kaspersky Anti-Virus
as a filter (single or additional)
Kaspersky Anti-Virus for Sendmail with Milter API can be installed as either a
single filter or together with other filters. If other mail filters have been installed on
your system, you should carefully define their sequence based on filter settings.
If you are installing Kaspersky Anti-Virus ahead of another filter, note that anti-
virus processing can affect the contents of the email thread: some elements of
email messages (headers, body, etc.) can be changed, notifications generated
by the anti-virus software can be added to the thread, and some messages can
be deleted or rejected for further processing. Therefore, another filter located
behind Kaspersky Anti-Virus will deal with a processed, and therefore altered,
email thread. Consider this factor when configuring filters behind the anti-virus
application. For example, you may exclude notifications generated by Kaspersky
Anti-Virus from filtering.
If Kaspersky Anti-Virus is installed behind another filter, set the first filter to for-
ward the email thread to Kaspersky Anti-Virus via a socket.
In this case, Kaspersky Anti-Virus receives the email thread that has been proc-
essed and changed by the first filter.
Configure Milter filters installed on your mail server as follows:
• Configure Sendmail and Kaspersky Anti-Virus socket options as de-
scribed in section 2.1 on page 12.
• Configure other mail filters installed on your mail server either behind or
ahead of the anti-virus software to transmit the email thread via a socket.

CHAPTER 3. INSTALLATION AND
UNINSTALLATION OF
KASPERSKY ANTI-VIRUS
Prior to beginning the installation of Kaspersky Anti-Virus for Sendmail with Milter
API, we recommend the following preparations for your system:
• Make sure that your system meets the hardware and software require-
ments for installation of the Kaspersky Anti-Virus (please see para. 1.1 on
p. 7).
• Enter the system as superuser (root).
3.1. Software installation on a
server running Linux
Kaspersky Anti-Virus is distributed as three different installation packages,
depending upon distribution type.
In order to start the installation of Kaspersky Anti-Virus from an .rpm
package, enter the following text in the command line:
rpm –i <package_file_name>
In order to start the installation of Kaspersky Anti-Virus from a .deb
package, enter the following text in the command line:
dpkg –i <package_file_name>

16 Kaspersky Anti-Virus®for Sendmail with Milter API
3.2. Software installation on a
server running FreeBSD or
OpenBSD
The installation package for Kaspersky Anti-Virus is supplied in a .pkg package
for servers running FreeBSD or OpenBSD operating systems.
In order to start installing Kaspersky Anti-Virus from a .pkg package,
enter the following text in the command line:
pkg_add <package_name>
3.3. Installation process
The procedure for installing Kaspersky Anti-Virus is automatic and not
interactive. If any of the installation steps cannot be performed, the administrator
must perform it after the installation is complete.
The install process for Kaspersky Anti-Virus for Sendmail with Milter API
performs the following steps automatically:
1. Creating a group and a user account named kav under which Kaspersky
Anti-Virus will operate.
2. Adding application settings to the /var/db/kav/applications.setup file that
is used to update the anti-virus database and program modules.
3. Registering the license key (only for alpha and beta application version).
If for any reason you do not have a license key in your distribution pack-
age (for example, you purchased the program at an Internet shop and
have not received the key yet), the appropriate warning will appear on
the console.
Immediately after the installation is complete, you will have to install the
key by copying it to the special directory in the application location.
4. Defining domains (i.e., mailboxes of these domains) that will be
protected by Kaspersky Anti-Virus. The default domain is the system
domain, including all subdomains (if they exist). For example, if your
domain is domains.of.example.com, the mail accounts on the following
domains will also be protected: example.com, of.example.com, and
domains.of.example.com.

Installation and UNinstallation of Kaspersky Anti-Virus 17
5. Registering the kavmilterd service with the startup system (depending on
your operating system).
6. Searching and automatically editing the Sendmail configuration to
integrate it with the anti-virus filter.
Prior to making any configuration changes, you must back up the original
Sendmail configuration. You can use this backup configuration if
Kaspersky Anti-Virus is uninstalled.
After making configuration changes, Sendmail should be restarted so
that the changes take effect. If Sendmail is not rebooted during the
installation, the configuration changes will not be applied. The
corresponding information will be displayed on the console. You will
need to change the Sendmail configuration after Kaspersky Anti-Virus
installation. Otherwise, the mail traffic will not be filtered on the server.
7. Running the kavmilter service (using kavmilterd init script) that initializes
the anti-virus filtration of mail traffic.
8. Registering a cron task for automatically updating the anti-virus database
and the anti-virus kernel modules. The database will be updated for the
first time two minutes after the installation is complete. After this, it will be
updated every hour.
9. Registering Kaspersky Anti-Virus module for Webmin, if you have
Webmin installed.
Please ensure that your network / proxy settings are config-
ured appropriately (see section 6.2 on page 38, configuration
section [updater.options]).
Check if cron service is running, because it is required for
automatic application updates.
10. Registering a cron task for hourly checks of the backup storage size. If
the size exceeds the limit of 128 MB, 20% of the storage will be purged.
11. Forming links to reference information about Kaspersky Anti-Virus
performance. To display the information, use the man command.
Note that the Kaspersky Anti-Virus module for Webmin is not installed
during application installation.
If you want to manage the application from a remote location, manually
install the module for Webmin (see section 6.2 on page 38).

18 Kaspersky Anti-Virus®for Sendmail with Milter API
3.4. Post-install setup
The installation of Kaspersky Anti-Virus for Sendmail with Milter API involves
automatic configuration of the application and mail system.
However, you may need to perform some post-installation tasks:
1. Install the license key if this was not done during the installation. To
install the license key, copy the key file to the special directory defined
by the LicensePath parameter and restart the application (for details on
restarting the application, see section 6.15 on page 60).
2. Configure the Sendmail system to integrate it with the anti-virus filter (if
this was not done during the installation) (see section 6.1 on page 36)
and restart Sendmail.
3. Configure proxy server settings in the Kaspersky Anti-Virus configuration
file if you connect to the Internet through a proxy server (see Appendix A
on page 77). This is required to update the database and kernel
modules.
4. If necessary, perform additional configuration of the application (see
Chapter 6 on page 36).
5. Install the Kaspersky Anti-Virus module for Webmin to enable remote
management of the application, if that was not done automatically during
the installation (see section 6.2 on page 38).
3.5. Location of application files and
directories
In Linux, Kaspersky Anti-Virus files and directories have the following locations:
/etc/kav/5.0/kavmilter/ – Directory with application configuration files:
kavmilter.conf – Application configuration file.
kavmilter.setup – Configuration file added to applications.setup for re-
trieving and installing updates.
init.d/kavmilterd – Service script to control kavmilter operation.
profiles/ – Directory containing configurations of preset profiles.
/opt/kav/5.0/kavmilter/bin – Location of application executable files, such as
kavmilter, keepup2date, and licensemanager.
/opt/kav/5.0/kavmilter/doc – Directory containing application documentation.
/opt/kav/5.0/kavmilter/man – Location of manual pages.

Installation and UNinstallation of Kaspersky Anti-Virus 19
/opt/kav/5.0/kavmilter/web – directory containing the kavmilter.wbm remote
management module for the Webmin web-interface.
/var/db/kav/5.0/kavmilter/ – Application directory that includes:
backup/ – Message backup storage directory.
bases/ – Directory storing the anti-virus database and kernel modules.
bases/backup/ – Directory for storing backup copies of the anti-virus da-
tabase and kernel modules created prior to updating.
licenses/ – Directory containing license keys for the application.
patches/ – Location of program patches.
run/ – Directory that stores the file with the application ID.
templates/ – Directory for storing notification templates.
tmp/ – Directory with temporary files.
/var/log/kav/5.0/kavmilter – Directory that contains report files (if the applica-
tion is configured to save reports to a file rather than the system log).
The location of Kaspersky Anti-Virus files on xBSD differs from those for Linux
OS:
/etc/kav/5.0/kavmilter/ – Directory with the application configuration file for
ОpenBSD.
/usr/local/etc/kav/5.0/kavmilter/ – Directory with the application configuration
file for FreeBSD.
/usr/local/share/kav/5.0/kavmilter/bin – Directory for the application executa-
ble files.
/usr/local/share/kav/5.0/kavmilter/doc – Location of application documenta-
tion.
/usr/local/share/kav/5.0/kavmilter/web –
directory containing the
kavmilter.wbm remote management module for the Webmin web-
interface.
/usr/local/man – Location of manual pages.
When Kaspersky Anti-Virus is installed on a server running FreeBSD, the
kavmilterd service script that controls the performance of the kavmilter
executable file must be located in the /usr/local/etc/kav/5.0/kavmilter/rc.d/
directory.

20 Kaspersky Anti-Virus®for Sendmail with Milter API
3.6. Software uninstallation on a
server running Linux
To uninstall Kaspersky Anti-Virus previously installed from a package you should
issue the following command:
In order to remove Kaspersky Anti-Virus if installed from a .rpm pack-
age, enter the following text in the command line:
rpm -e <package_name>
In order to remove Kaspersky Anti-Virus if installed from a .deb pack-
age, enter the following text in the command line:
dpkg –r <package_name>
3.7. Software uninstallation on a
server running FreeBSD or
OpenBSD
In order to remove Kaspersky Anti-Virus if installed from a .pkg pack-
age, enter the following text in the command line:
pkg_delete <package_name>
3.8. Uninstallation process
The procedure for uninstalling Kaspersky Anti-Virus is automatic, not interactive
and contains the following steps:
1. Removing the cron task of checking the backup storage from the
list of tasks for the kav user.
2. Removing the cron task for updating the anti-virus database and
anti-virus kernel modules from the list of tasks for the kav user.
3. Rolling back the Sendmail configuration changes you made to
integrate it with the anti-virus filter. Restart the mail system to make
the previous configuration effective.