SSHWATCH v2.0 Intrusion Prevention System (IPS) for Secure Shell (SSH)
Continuously tail system security logs, searching for failed SSH login attempts. After a set number of consecutive failed attempts, the source IP is blocked using iptables and NMAP/DIG is run to probe the blocked IP. Requirements: Linux (Redhat, Debian) root or equivalent, OPENSSH Server, Python 2.4+, iptables (IPv4), NMAP.
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