Frustrate SSH Scanners with Iptables GeoIP Blocking

Updated 2018:  Still working! xt_geoip_dl is now available and handles Geolite2 database downloading, simplifying our script. In the rare situation that we need to run a system that has SSH exposed to the world, we always install something to monitor and block SSH attempts. On the low end, we use fail2ban or sshguard, but our … Continue reading Frustrate SSH Scanners with Iptables GeoIP Blocking