ssh-audit/README.md

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# ssh-audit
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**ssh-audit** is a tool for ssh server auditing.
## Features
- grab banner, detect ssh1 protocol and zlib compression;
- gather key-exchange, host-key, encryption and message authentication code algorithms;
- output algorithm information (available since, removed/disabled, unsafe/weak/legacy, etc);
- analyze SSH version compatibility based on algorithm information;
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- historical information from OpenSSH and Dropbear SSH;
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- no dependencies, compatible with python2 and python3;
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## Usage
```
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usage: ssh-audit.py [-bnv] [-l <level>] <host[:port]>
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-b, --batch batch output
-n, --no-colors disable colors
-v, --verbose verbose output
-l, --level=<level> minimum output level (info|warn|fail)
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```
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* 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.
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### example
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![screenshot](https://cloud.githubusercontent.com/assets/7356025/17623665/da5281c8-60a9-11e6-9582-13f9971c22e0.png)
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## ChangeLog
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### v1.0.20160812
- implement SSH version compatibility feature
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- 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
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### 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
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### v1.0.20160105
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- multiple additional warnings
- support for none algorithm
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- better compression handling
- ensure reading enough data (fixes few Linux SSH)
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### v1.0.20151230
- Dropbear SSH support
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### v1.0.20151223
- initial version