sshguard: sshguard (SSH brute-force attack protection)
sshguard:
sshguard: SSHGuard protects hosts from brute-force attacks against SSH and
sshguard: other services. It aggregates system logs and blocks repeat
sshguard: offenders. SSHGuard can read log messages from standard input
sshguard: (suitable for piping from syslog) or monitor one or more log files.
sshguard: If an attack, such as several login failures within a few seconds,
sshguard: is detected, the offending IP is blocked.
sshguard:
sshguard: Homepage: http://www.sshguard.net/
sshguard: