ssh-audit is a tool for ssh server auditing.

Features:
* SSH1 and SSH2 protocol server support;
* grab banner, recognize device or software and operating system, detect compression;
* gather key-exchange, host-key, encryption and message authentication code 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;