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Saturday, May 12, 2012

How to ssh into your home machine through company's http proxy

Sometimes, we want to remote login into our home PC/Server for fun. We can simply setup port forward on home router to expose home PC's SSH port outside. However, your office network environment may only allow you to access public Internet through HTTP/HTTPS proxy only. In this case, we need helps from corkscrew and ssh over tunnel. Below is my steps to setup corkscrew and ssh tunnel.
  1. install corkscrew
    1. wget http://www.agroman.net/corkscrew/corkscrew-2.0.tar.gz
    2. tar -xvf corkscrew-2.0.tar.gz
    3. enter untared corkscrew directory and run following command
      ./configure
    4. make
    5. make install
    6. corkscrew should be installed under /usr/local/bin directory already.
  2. Setup corkscrew in
    1. vi ~/.ssh/config
    2. Host pineHouse
      Hostname my.home.ip.address
         KeepAlive yes
         ServerAliveInterval 30
         ForwardAgent yes
         ProxyCommand corkscrew proxy.example.com 8080 %h %p
      
    3. ssh myName@pineHouse
For more advanced info, I read this blog post: "Build and Configure an HTTP-Proxy Application".
http://mtu.net/~engstrom/ssh-proxy.php

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