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https://github.com/mozilla/ssh_scan

DEPRECATED - A prototype SSH configuration and policy scanner (Blog: https://mozilla.github.io/ssh_scan/)
https://github.com/mozilla/ssh_scan

abandoned unmaintained

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DEPRECATED - A prototype SSH configuration and policy scanner (Blog: https://mozilla.github.io/ssh_scan/)

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# ssh_scan

[![Gem Version](https://badge.fury.io/rb/ssh_scan.svg)](https://badge.fury.io/rb/ssh_scan)
[![Coverage Status](https://coveralls.io/repos/github/mozilla/ssh_scan/badge.svg?branch=master)](https://coveralls.io/github/mozilla/ssh_scan?branch=master)

A SSH configuration and policy scanner

⚠️ Deprecation Notice ⚠️
-------------------------

Mozilla is no longer maintaining the SSH Scan project.

Please fork it to continue development.

## Key Benefits

- **Minimal Dependencies** - Uses native Ruby and BinData to do its work, no heavy dependencies.
- **Not Just a Script** - Implementation is portable for use in another project or for automation of tasks.
- **Simple** - Just point `ssh_scan` at an SSH service and get a JSON report of what it supports and its policy status.
- **Configurable** - Make your own custom policies that fit your unique policy requirements.

## Setup

To install and run as a gem, type:

```bash
gem install ssh_scan
ssh_scan
```

To run from a docker container, type:

```bash
docker pull mozilla/ssh_scan
docker run -it mozilla/ssh_scan -t sshscan.rubidus.com
```

To install and run from source, type:

```bash
# clone repo
git clone https://github.com/mozilla/ssh_scan.git
cd ssh_scan

gem install bundler
bundle install

./bin/ssh_scan
```

## Example Command-Line Usage

Run `ssh_scan -h` to get this

```bash
ssh_scan v0.0.21 (https://github.com/mozilla/ssh_scan)

Usage: ssh_scan [options]
-t, --target [IP/Range/Hostname] IP/Ranges/Hostname to scan
-f, --file [FilePath] File Path of the file containing IP/Range/Hostnames to scan
-T, --timeout [seconds] Timeout per connect after which ssh_scan gives up on the host
-L, --logger [Log File Path] Enable logger
-O, --from_json [FilePath] File to read JSON output from
-o, --output [FilePath] File to write JSON output to
-p, --port [PORT] Port (Default: 22)
-P, --policy [FILE] Custom policy file (Default: Mozilla Modern)
--threads [NUMBER] Number of worker threads (Default: 5)
--fingerprint-db [FILE] File location of fingerprint database (Default: ./fingerprints.db)
--suppress-update-status Do not check for updates
-u, --unit-test [FILE] Throw appropriate exit codes based on compliance status
-V [STD_LOGGING_LEVEL],
--verbosity
-v, --version Display just version info
-h, --help Show this message

Examples:

ssh_scan -t 192.168.1.1
ssh_scan -t server.example.com
ssh_scan -t ::1
ssh_scan -t ::1 -T 5
ssh_scan -f hosts.txt
ssh_scan -o output.json
ssh_scan -O output.json -o rescan_output.json
ssh_scan -t 192.168.1.1 -p 22222
ssh_scan -t 192.168.1.1 -p 22222 -L output.log -V INFO
ssh_scan -t 192.168.1.1 -P custom_policy.yml
ssh_scan -t 192.168.1.1 --unit-test -P custom_policy.yml
```

- See here for [example output](https://github.com/mozilla/ssh_scan/blob/master/examples/192.168.1.1.json)
- See here for [example policies](https://github.com/mozilla/ssh_scan/blob/master/config/policies)

## ssh_scan as a service/api?

This project is solely for ssh_scan engine/command-line usage.

If you would like to run ssh_scan as a service, please refer to [the ssh_scan_api project](https://github.com/mozilla/ssh_scan_api)

## Rubies Supported

This project is integrated with [travis-ci](http://about.travis-ci.org/) and is regularly tested to work with multiple rubies.

To checkout the current build status for these rubies, click [here](https://travis-ci.org/#!/mozilla/ssh_scan).

## Contributing

If you are interested in contributing to this project, please see [CONTRIBUTING.md](https://github.com/mozilla/ssh_scan/blob/master/CONTRIBUTING.md).

## Credits

**Sources of Inspiration for ssh_scan**

- [**Mozilla OpenSSH Security Guide**](https://wiki.mozilla.org/Security/Guidelines/OpenSSH) - For providing a sane baseline policy recommendation for SSH configuration parameters (eg. Ciphers, MACs, and KexAlgos).