keys_checker
Simple scanner that scans authorized_keys file and enforces from= limitation and reports alien IPs in from= field
authorized_keys scanner
Usage :
-v --verbose Enable verbose output/debugging
-h --help Display this message
-m --mail Send alert mail rather than print to stdout
-f --file path to authorized_keys file to check (root's authorized_keys is default)
-l --lock Lock down keys if found (apply from= restriction)
-s --scan Scan for IPs in from= limitation not in our allowed list