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Category: vulnerability scanning

SSHGuard settings on pfSense

SSHGuard settings on pfSense

Something that always annoyed me when performing a vulnerability scan on a pfSense system was the alerts it triggered. Basically, the vulnerability scanner would attempt to bruteforce SSH logins, which would trigger the sshguard protections, placing the IP address in the sshguard table (Diagnostics -> Tables), producing 100’s of firewall block messages, etc. Dec 3 16:22:37 – Int: em0 Type: block Prot: tcp Src: 192.168.1.8:38553 Dest: 192.168.1.1:22 Tracker: 1000000301 – block drop in log quick proto tcp from <sshguard:1> to…

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Installing OpenVAS on CentOS 7

Installing OpenVAS on CentOS 7

This is a walkthough for installing and configuring OpenVAS 9 on CentOS 7. OpenVAS (Open Vulnerability Assessment System) is an opensource vulnerability scanner. Brief History OpenVAS forked from Nessus when Tenable took the previously opensource product to closed source back in 2005. That’s worth mentioning primarily because on a side note, I’ve used Nessus for many years and I remember when it was forked. Since then, Nessus became one of the leaders in the vulnerability scanning space and a fairly…

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