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Questions tagged [clamav]

Antivirus for UNIX-like systems primarily for mailserver integration.

Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command line scanner and advanced tool for automatic database updates. The core of the package is an anti-virus engine available in a form of shared library.

  • command-line scanner
  • fast, multi-threaded daemon with support for on-access scanning
  • milter interface for sendmail
  • advanced database updater with support for scripted updates and digital signatures
  • virus scanner C library
  • on-access scanning (Linux® and FreeBSD®)
  • virus database updated multiple times per day (see home page for total number of signatures)
  • built-in support for various archive formats, including Zip, RAR, Tar, Gzip, Bzip2, OLE2, Cabinet, CHM, BinHex, SIS and others
  • built-in support for almost all mail file formats
  • built-in support for ELF executables and Portable Executable files compressed with UPX, FSG, Petite, NsPack, wwpack32, MEW, Upack and obfuscated with SUE, Y0da Cryptor and others

Official site: www.clamav.net

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Setting up ClamAV with Exim and Mailman on Debian Squeeze

I manage a Debian Squeeze server that uses Exim as the MTA and runs several mailing lists using Mailman. I'd like to set up ClamAV to block viruses that may get posted to a list. I'm having trouble finding documentation online for how to integrate…
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How do I specify clamd's IP address when using clamdscan?

I set up a separate host for clamd to handle virus-scanning, and I want to test it before putting it in production. Now, while MailScanner's configuration for remote clamd is clear and simple, I can't find any information on how to do that with…
Daniel C. Sobral
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Server super slow, RAM & Swap 100% used, ClamAV problem?

My Ubuntu 10.04 server is down since this morning. When I restart it, I can use it for a couple of minutes then the RAM and Swap get full, and SSH doesn't answer. It seems ClamAV is part of the problem. How can I stop it? clamd stop didn't work. And…
Nabab
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Permission problems with Clamfs

been trying to get clamfs working on Ubuntu 10.4. It seems like everything is working, clamfs locates infected files and prevents me from opening these. But I am having permission troubles with a share that I have created. My folder structure looks…
Oscar
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ClamAv takes all cpu on my server when php scripts are run under root directory, even when I do not call clamscan

Hey guys I just finished installing clamAv on my vps that runs Centos. For some reason server interactions slow way down even when I am not calling on ClamAv (clamascan) directly but accessing php files under the root directory (in folder in root…
Scarface
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How to resolve these errors and install ClamAV for Perl under Ubuntu/Debian?

After successful apt-get install clamav I then did: perl -MCPAN -e shell install File::Scan::ClamAV and got CPAN.pm: Going to build J/JA/JAMTUR/File-Scan-ClamAV-1.91.tar.gz Cannot find clamd in /root/bin (or a number of other places) - are…
Alex R
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clamav-daemon doesn't create /var/run/clamd.ctl

I installed clamav-daemon on Debian 11 and when I try to start it, it doesn't create the LocalSocket /var/run/clamd.ctl. LocalSocket in my /etc/clamav/clamd.conf: LocalSocket /var/run/clamav/clamd.ctl systemctl status clamav-daemon.service…
afriend
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What is the default file system for ClamAV scans?

I have just installed ClamAV on a Pi4 running Buster. I have looked at the configuration file and don't see where it specifies which file system it will scan automatically. I know if I use this sudo clamscan /home or sudo clamscan / it will scan…
RDK
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Postfix not accepting recipient address: connect to private/policy: Connection refused

I thought I'd be clever and add amavis/spamassassin/clamav to my working Postfix installation. I got it working and then made a change. Walked away, had a beer, then found out I'd mucked up. This is what's happening now Oct 2 22:01:59 wilma…
Mike M
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Running clamscan with the file list function

I am trying to schedule some tasks using ClamAV but it cannot find the find the file that contains the directories I want it to scan.   *Using sudo doesn't work.   *The files are set with permissions 644.   *Files are visible in command line as…
NoNo
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How to speed up clamd@amavisd launch / get it to "start" on Amazon Linux 2

I recently upgraded clamav from I'm not sure which version, but whatever was current on EPEL on February 13th, to 0.102.3. Under the previous version, I had to set TimeoutStartSec in the systemd conf file to 5 minutes to get it to start without…
philolegein
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Why does calling HEAD on this URL prevent the following error: ERROR: Message: SSL peer certificate or SSH remote key was not OK

This is an issue I'm having with a specific package but it looks like the software is using a version of CURL for windows or something. I want to understand this specific behavior because it doesnt make sense to me. Im using this software which is a…
red888
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Clamav on Centos 8 installation

I have installed ClamAV on Centos 8, following the installation guide on their website. I have run freshclam and that works fine but if I try to do a scan I get the following error: clamdscan /home ERROR: Could not connect to clamd on LocalSocket…
Imag1ne
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Your ClamAV installation is OUTDATED

I'm running Vesta on Centos 7 and recently I've got this error. server#: freshclam current working dir is /var/lib/clamav ClamAV update process started at Fri Dec 13 12:36:40 2019 Using IPv6 aware code Max retries == 3 Querying…
Itamar Zimmerman
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clamd on several ports with different databases

Is it possible to run a clamd on one machine with different ports and each of them hold another database? 3310 = official databases 3311 = unofficial databases 3312 = yara rules p.s. CentOS 6/7
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