this post was submitted on 16 Sep 2023
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Alternative to ClamAV? (lemmy.world)
submitted 1 year ago by lal309@lemmy.world to c/selfhosted@lemmy.world
102 comments fedilink hide all child comments
 

TL;DR - What are you running as a means of “antivirus” on Linux servers?

I have a few small Debian 12 servers running my services and would like to enhance my security posture. Some services are exposed to the internet and I’ve done quite a few things to protect the services and the hosts. When it comes to “antivirus”, I was looking at ClamAV as it seemed to be the most recommended. However, when I read the documentation, it stated that the recommended RAM was at least 2-4 gigs. Some of my servers have more power than other but some do not meet this requirement. The lower powered hosts are rpi3s and some Lenovo tinys.

When I searched for alternatives, I came across rkhunter and chrootkit, but they seem to no longer be maintained as their latest release was several years ago.

If possible, I’d like to run the same software across all my servers for simplicity and uniformity.

If you have a similar setup, what are you running? Any other recommendations?

P.S. if you are of the mindset that Linux doesn’t need this kind of protection then fine, that’s your belief, not mine. So please just skip this post.

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[–] h3ndrik@feddit.de 4 points 1 year ago* (last edited 1 year ago)

You're likely doing security wrong. But I'm keeping relatively quiet, as requested.

Please read up on how to set a partition noexec, use AppArmor, firewall, how to keep things patched, hardened and actual security measures if you want to protect the server. Also make sure not only fail2ban is working but every login on exposed software on that server is protected against brute force. ClamAV and similar are to protect your windows clients of your mail and storage server. They will not help with linux viruses. And you got to protect your servers against security vulnerabilities, not malware. The server won't randomly execute an executable file on its harddrive on its own. Think about how did that malware get there in the first place. And why is the file executable... Don't be offended, you can install whatever you want, including ClamAV, just make sure you did the 95% of protection first if security is your concern.