ssh-audit is a tool for ssh server & client configuration auditing.

Features:
* SSH1 and SSH2 protocol server support
* analyze SSH client configuration
* grab banner, recognize device or software and OS, detect compression
* gather key-exchange, host-key, encryption and MAC algorithms
* output algorithm information
  (available since, removed/disabled, unsafe/weak/legacy, etc)
* output algorithm recommendations
  (append or remove based on recognized software version)
* output security information (related issues, assigned CVE list, etc)
* analyze SSH version compatibility based on algorithm information
* historical information from OpenSSH, Dropbear SSH and libssh
* policy scans to ensure adherence to a hardened/standard configuration