sshguard: sshguard sshguard: sshguard: sshguard protects hosts from brute force attacks. It supports IPv6, sshguard: whitelists and log authentication, interfaces with all the major sshguard: firewalling systems, has a remarkably clever log analyzer, and is sshguard: independent, fast and lightweight as it's written in C sshguard: sshguard: sshguard: sshguard: sshguard: