1. J

    PF SSHGuard behaving strangely with PF

    SSHGuard in combination with pf on FreeBSD 14.0-RELEASE (fresh vanilla installation on Hetzner VPS) is behaving strangely. After starting, it either terminates immediately or after some variable time, indicating a potential issue with pf. Below are the details: System Info: FreeBSD myserver...
  2. B

    PF Setting up pf.conf for use with sshguard

    Hello, I'm new to FreeBSD and trying to set up some sort of blocking for brute-force ssh attempts. Looking around it seemed like sshguard was a good solution. I tried to follow along with sshguard-setup(7) for the pf backend: SSHGuard adds attackers to table <sshguard>. Create the...
  3. S

    sshguard - 2.4.2 - How to add new signature? - Postfix non SMTP command

    Hi. I've been seeing lately in the maillog various many scans targetting postfix/smtpd and I would like to add a new signature. Jun 21 12:00:56 acme postfix/submission/smtpd[20201]: warning: non-SMTP command from unknown[]: GET / HTTP/1.1 Jun 21 14:31:24 acme...