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https://github.com/arthepsy/ssh-audit

SSH server auditing (banner, key exchange, encryption, mac, compression, compatibility, security, etc)
https://github.com/arthepsy/ssh-audit

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SSH server auditing (banner, key exchange, encryption, mac, compression, compatibility, security, etc)

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# ssh-audit

[![build status](https://api.travis-ci.org/arthepsy/ssh-audit.svg)](https://travis-ci.org/arthepsy/ssh-audit)

[![coverage status](https://coveralls.io/repos/github/arthepsy/ssh-audit/badge.svg)](https://coveralls.io/github/arthepsy/ssh-audit)  

**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;

- no dependencies, compatible with Python 2.6+, Python 3.x and PyPy;



## Usage

```

usage: ssh-audit.py [-1246pbnvl] 



   -1,  --ssh1             force ssh version 1 only

   -2,  --ssh2             force ssh version 2 only

   -4,  --ipv4             enable IPv4 (order of precedence)

   -6,  --ipv6             enable IPv6 (order of precedence)

   -p,  --port=      port to connect

   -b,  --batch            batch output

   -n,  --no-colors        disable colors

   -v,  --verbose          verbose output

   -l,  --level=    minimum output level (info|warn|fail)

   

```

* if both IPv4 and IPv6 are used, order of precedence can be set by using either `-46` or `-64`.  

* batch flag `-b` will output sections without header and without empty lines (implies verbose flag).  

* verbose flag `-v` will prefix each line with section type and algorithm name.  



### example

![screenshot](https://cloud.githubusercontent.com/assets/7356025/19233757/3e09b168-8ef0-11e6-91b4-e880bacd0b8a.png)



## ChangeLog

### v1.7.0 (2016-10-26)

 - implement options to allow specify IPv4/IPv6 usage and order of precedence

 - implement option to specify remote port (old behavior kept for compatibility)

 - add colors support for Microsoft Windows via optional colorama dependency

 - fix encoding and decoding issues, add tests, do not crash on encoding errors

 - use mypy-lang for static type checking and verify all code



### v1.6.0 (2016-10-14)

 - implement algorithm recommendations section (based on recognized software)

 - implement full libssh support (version history, algorithms, security, etc)

 - fix SSH-1.99 banner recognition and version comparison functionality

 - do not output empty algorithms (happens for misconfigured servers)

 - make consistent output for Python 3.x versions

 - add a lot more tests (conf, banner, software, SSH1/SSH2, output, etc)

 - use Travis CI to test for multiple Python versions (2.6-3.5, pypy, pypy3)



### v1.5.0 (2016-09-20)

 - create security section for related security information

 - match and output assigned CVE list and security issues for Dropbear SSH

 - implement full SSH1 support with fingerprint information

 - automatically fallback to SSH1 on protocol mismatch

 - add new options to force SSH1 or SSH2 (both allowed by default)

 - parse banner information and convert it to specific software and OS version

 - do not use padding in batch mode

 - several fixes (Cisco sshd, rare hangs, error handling, etc)



### v1.0.20160902

 - implement batch output option

 - implement minimum output level option

 - fix compatibility with Python 2.6



### v1.0.20160812

 - implement SSH version compatibility feature

 - fix wrong mac algorithm warning

 - fix Dropbear SSH version typo

 - parse pre-banner header

 - better errors handling



### v1.0.20160803

 - use OpenSSH 7.3 banner

 - add new key-exchange algorithms



### v1.0.20160207

 - use OpenSSH 7.2 banner

 - additional warnings for OpenSSH 7.2 

 - fix OpenSSH 7.0 failure messages

 - add rijndael-cbc failure message from OpenSSH 6.7



### v1.0.20160105

 - multiple additional warnings

 - support for none algorithm

 - better compression handling  

 - ensure reading enough data (fixes few Linux SSH)  



### v1.0.20151230

 - Dropbear SSH support  



### v1.0.20151223

 - initial version