Can someone explain what this line in the feature section mean?
Telnet brute-force IP banning by sending UDP packets to a firewall host
Telnet brute-force IP banning by sending UDP packets to a firewall host
It was mostly in use when TLS hadn't made it's way into most common protocols
> A recent change goes a step further and sends a UDP packet to my OpenBSD firewall containing the IP to be banned, and a small Ruby server running there adds the IP to a pf table, immediately blocking all further IP access from the bot.