use strict;
my $str = '# Awesome SSH [](https://github.com/sindresorhus/awesome)
> A curated list of *SSH* [apps](#apps), [libraries](#libraries) and [resources](#resources).
<h2 align="center"><img src="https://raw.githubusercontent.com/moul/awesome-ssh/master/logo.jpg" width="400" /></h2>
Inspired by the [awesome](https://github.com/sindresorhus/awesome) list thing.
Please read the [contribution guidelines](CONTRIBUTING.md) if you want to contribute.
**Check out my [blog](http://manfredtouron.tumblr.com) 🦄 or say *hi* on [Twitter](https://twitter.com/moul).**
## Table of Contents
- [Apps](#apps)
- [`.ssh/config`](#sshconfig)
- [Tools using the *SSH* protocol](#tools-using-the-ssh-protocol)
- [Servers](#servers)
- [Network](#network)
- [Multiplexers](#multiplexers)
- [SSH Keys / Authentication](#ssh-keys--authentication)
- [SSH agent](#ssh-agent)
- [Tools](#tools)
- [Automation](#automation)
- [Web](#web)
- [Testing / Honeypots](#testing--honeypots)
- [Alternatives to SSH](#alternatives-to-ssh)
- [Libraries](#libraries)
- [Resources](#resources)
- [Tutorials](#tutorials)
- [Security](#security)
- [Documentation](#documentation)
- [Community](#community)
## Apps
### `.ssh/config`
* [`assh` a.k.a `advanced-ssh-config`](https://github.com/moul/advanced-ssh-config) - Transparent wrapper (ProxyCommand) that adds regex, aliases, gateways, includes, dynamic hostnames to *SSH* and `ssh-config`.
* [storm](https://github.com/emre/storm) - Manage your *SSH* like a boss.
* [ansible-ssh-config](https://github.com/gaqzi/ansible-ssh-config) - Letting *Ansible* manage `ssh_config`.
* [ec2ssh](https://github.com/mirakui/ec2ssh) - A `ssh_config` manager for *AWS EC2*.
* [ssh-config](https://github.com/dbrady/ssh-config) - A tool to help manage your `.ssh/config` file.
### Tools using the *SSH* protocol
* [scp](http://linux.die.net/man/1/scp) - Secure remote file copy utility over *SSH*.
* [rsync](https://rsync.samba.org) - Fast incremental transfer utility that supports *SSH*.
* [sftp](https://en.wikipedia.org/wiki/SSH_File_Transfer_Protocol) - File transfer protocol over *SSH*.
* [curl](http://curl.haxx.se) - Command line tool and library to transfer data (support `sftp`).
### Servers
* [ssh2docker](https://github.com/moul/ssh2docker) - *SSH* server to Docker containers.
* [whosthere](https://github.com/FiloSottile/whosthere) - A *SSH* server that knows who you are. `$ ssh whoami.filippo.io`.
* [sshfront](https://github.com/gliderlabs/sshfront) - Programmable *SSH* frontend.
* [ssh-chat](https://github.com/shazow/ssh-chat) - Chat over *SSH*.
* [sshcommand](https://github.com/dokku/sshcommand) - Turn *SSH* into a thin client specifically for your app.
* [sshmuxd](https://github.com/joushou/sshmuxd) - `sshmux` frontend.
* [x84](https://github.com/jquast/x84) - A *python* `telnet`/`ssh` server for modern *UTF-8* and classic *cp437* network virtual terminals. In spirit of classic software such as *ami/x*, *teleguard*, *renegade*, *iniquity*.
* [teleport](https://github.com/gravitational/teleport) - Modern *SSH* server for clusters and teams.
### Network
* [Mosh](https://mosh.mit.edu) - The mobile shell.
* [sshfs](https://github.com/libfuse/sshfs) - Filesystem client based on the *SSH* File Transfer Protocol.
* [ngrok](https://github.com/inconshreveable/ngrok) - Introspected tunnels to localhost.
* [localtunnel](https://github.com/progrium/localtunnel) - Expose localhost servers to the Internet.
* [sshuttle](https://github.com/apenwarr/sshuttle) - Transparent proxy server that works as a poor man\'s *VPN*. Forwards over `ssh`. Doesn\'t require admin. Works with *Linux* and *MacOS*. Supports *DNS tunneling*.
* [sshttp](https://github.com/stealth/sshttp) - *SSH*/*HTTP(S)* multiplexer. Run a webserver and a `sshd` on the same port w/o changes.
* [switcher](https://github.com/jamescun/switcher) - Run *SSH* and *HTTP(S)* on the same port.
* [sslh](https://github.com/yrutschle/sslh) - Applicative Protocol Multiplexer (i.e: *SSH* + *HTTPS*).
* [tund](https://github.com/aphyr/tund) - *SSH* reverse tunnel daemon.
* [autossh](http://www.harding.motd.ca/autossh/) - Automatically respawn *SSH* session after network interruption.
* [wssh](https://github.com/aluzzardi/wssh) - *SSH* to WebSockets Bridge.
* [docker-volume-sshfs](https://github.com/vieux/docker-volume-sshfs) - `sshfs` docker volume plugin.
### Multiplexers
* [tmux](https://tmux.github.io) - Terminal multiplexer.
* [clusterssh](https://github.com/duncs/clusterssh) - Cluster admin via *SSH*.
* [tmux-cssh](https://github.com/dennishafemann/tmux-cssh) - `tmux` with a *ClusterSSH*-like behavior.
* [tm](https://github.com/Ganneff/tm) - `tmux` manager / helper.
* [i2cssh](https://github.com/wouterdebie/i2cssh) - `csshX` like *SSH* tool for *iTerm2*.
* [ClusterSSH](http://sourceforge.net/projects/clusterssh/) - Controls a number of `xterm` windows via a single graphical console.
### *SSH* keys / Authentication
* [authy-ssh](https://github.com/authy/authy-ssh) - Easy *two-factor* authentication for *SSH* servers.
* [github-auth](https://github.com/chrishunt/github-auth) - *SSH* key management for GitHub users.
* [cipherhub](https://github.com/substack/cipherhub) - Encrypt messages based on *SSH* public keys with easy import from GitHub.
* [Slack notifications](http://www.ryanbrink.com/slack-ssh-session-notifications/) - Guide to setup Slack notifications (can be modified for other services).
* [totp-ssh-fluxer](https://github.com/benjojo/totp-ssh-fluxer) - A way to make sure your `sshd` port changes every 30 seconds.
### *SSH* agent
* [ssh-ident](https://github.com/ccontavalli/ssh-ident) - Different agents and different keys for different projects, with `ssh`.
* [oh-my-zsh/plugins/ssh-agent](https://github.com/robbyrussell/oh-my-zsh/tree/master/plugins/ssh-agent) - `ssh-agent` plugin for `zsh`.
### Tools
* [sshrc](https://github.com/Russell91/sshrc) - Bring your `.bashrc`, `.vimrc`, etc. with you when you `ssh`.
### Automation
* [Ansible](https://github.com/ansible/ansible) - App deployment, configuration management and orchestration over *SSH*.
* [rtop](https://github.com/rapidloop/rtop) - Interactive, remote system monitoring tool based on *SSH*.
* [DSH - Dancer\'s shell / distributed shell](https://www.netfort.gr.jp/~dancer/software/dsh.html.en) - Wrapper for executing multiple remote shell commands from one command line.
* [parallel-ssh](https://code.google.com/p/parallel-ssh/) - Provides parallel versions of OpenSSH and related tools.
* [SSH Power Tool](https://code.google.com/p/sshpt/) - Execute commands and upload files to many servers simultaneously without using pre-shared keys.
### Web
* [Secure Shell chrome extension](https://chrome.google.com/webstore/detail/secure-shell/pnhechapfaindjhompbnflcldabbghjo?hl=en)
* [GateOne](https://github.com/liftoff/GateOne) - HTML5-powered terminal emulator and *SSH* client.
* [KeyBox](https://github.com/skavanagh/KeyBox) - Web-based *SSH* console that centrally manages administrative access to systems.
* [Apache Guacamole](https://guacamole.incubator.apache.org/) - Apache Guacamole is a HTML5 based clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH.
### Testing / Honeypots
* [ssh-hammer](https://github.com/shazow/ssh-hammer) - *SSH* load testing tool.
* [kippo](https://github.com/desaster/kippo) - *SSH* Honeypot.
* [cowrie](https://github.com/micheloosterhof/cowrie) - *SSH* Honeypot (based on kippo).
* [sshmitm](http://linux.die.net/man/8/sshmitm) - *SSH* monkey-in-the-middle.
* [ssh-audit](https://github.com/arthepsy/ssh-audit) - A tool for *SSH* server auditing.
* [sshesame](https://github.com/jaksi/sshesame) - A fake SSH server that lets everyone in and logs their activity.
### Alternatives to *SSH*
* [GoTTY](https://github.com/yudai/gotty) - Share your terminal as web application.
* [telnet](http://www.telnet.org/htm/faq.htm) - An unencrypted network protocol and an application used to connect to remote computers and issue commands.
* [rsh](https://en.wikipedia.org/wiki/Remote_Shell) - An unencrypted network protocol and application used to connect to remote computers and issue commands.
## Libraries
* C/C++
* [libssh](https://www.libssh.org) - The *SSH* library.
* [substack/libssh](https://github.com/substack/libssh) - Multiplatform C library implementing the SSHv2 and SSHv1 protocol on client and server side.
* Golang
* [crypto/ssh](https://godoc.org/golang.org/x/crypto/ssh) - Built-in *SSH* client and server library.
* [sftp](https://github.com/pkg/sftp) - *SFTP* support for the go.crypto/ssh package.
* [go-sshkit](https://github.com/shazow/go-sshkit) - Toolkit for building *SSH* servers and clients in Go.
* [Socker](https://github.com/cosiner/socker) - Library for Go to simplify the use of *SSH*.
* Java
* [jsch](http://www.jcraft.com/jsch/) - Pure *java*, *BSD* licensed, *SSH2* client library.
* Javascript/Node.js
* [ssh2](https://github.com/mscdex/ssh2) - *SSH2* client and server modules written in pure *JavaScript* for *node.js*.
* Python
* [paramiko](https://github.com/paramiko/paramiko) - Native *Python* *SSHv2* protocol library.
* Ruby
* [net-ssh](https://github.com/net-ssh/net-ssh) - Pure *Ruby* implementation of an *SSH* (protocol 2) client.
## Resources
### Tutorials
* [How to use *SSH* to Connect to a Remote Server](https://www.digitalocean.com/community/tutorials/how-to-use-ssh-to-connect-to-a-remote-server-in-ubuntu)
* [Best practices](https://blog.0xbadc0de.be/archives/300)
* [Granting Temporary Access to Your Servers (Using Signed *SSH* Keys)](http://linux-audit.com/granting-temporary-access-to-servers-using-signed-ssh-keys/)
* [How to SSH login without a password](https://www.rosehosting.com/blog/ssh-login-without-password-using-ssh-keys/)
### Security
* [01/14/2016](https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-0777) - Integer Overflow `CVE 2016 077[7-8]`.
* [Security/Guidelines/OpenSSH - MozillaWiki](https://wiki.mozilla.org/Security/Guidelines/OpenSSH) - `sshd\\_config` for `6.7+`, `5.3`.
* [Applied-Crypto-Hardening](https://github.com/BetterCrypto/Applied-Crypto-Hardening/tree/master/src/configuration/SSH/OpenSSH) - `sshd\\_config` for `6.X`
### Documentation
* [man page](http://linux.die.net/man/1/ssh)
* [Specifications (OpenSSH)](http://www.openssh.com/specs.html)
* [Wikipedia article](https://en.wikipedia.org/wiki/Secure_Shell)
### Community
* [StackOverflow](http://stackoverflow.com/questions/tagged/ssh)
* [ServerFault](http://serverfault.com/questions/tagged/ssh)
## License
[](https://creativecommons.org/publicdomain/zero/1.0/)
To the extent possible under law, [Manfred Touron](https://github.com/moul) has waived all copyright and related or neighboring rights to this work.
';
my $regex = qr/\* \[([^\!][^\]]*)\]\(https?\:\/\/github\.com\/([^\/]+\/[^\/\)]+)\/?[^\)]*\)/p;
if ( $str =~ /$regex/g ) {
print "Whole match is ${^MATCH} and its start/end positions can be obtained via \$-[0] and \$+[0]\n";
# print "Capture Group 1 is $1 and its start/end positions can be obtained via \$-[1] and \$+[1]\n";
# print "Capture Group 2 is $2 ... and so on\n";
}
# ${^POSTMATCH} and ${^PREMATCH} are also available with the use of '/p'
# Named capture groups can be called via $+{name}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Perl, please visit: http://perldoc.perl.org/perlre.html