(Web) Proxy by SSH

To get Web access to I-MATH intranet webserver it's possible to setup a SOCKS SSH proxy channel:

• Use SSH

  • Linux & Mac OS X: preinstalled.

  • Windows: https://www.howtogeek.com/336775/how-to-enable-and-use-windows-10s-built-in-ssh-commands/

• On your local computer open a terminal and start the SSH Socks connection (provide your I-MATH password and leave the connection open all time):

ssh -C -D <I-MATH account>@ssh.math.uzh.ch

• Tell the browser to use the new proxy connection. To use the I-MATH intenal DNS Server (necessary get access to hostnames that are only known inside of I-MATH), use the SOCKS5 protocol, incl. DNS forward.
• Google Chrome

  • google-chrome --proxy-server="socks5://localhost:1080"

  • Mac OS X: /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --proxy-server="socks5://localhost:1080"

• Opera

  • opera --proxy-server="socks5://localhost:1080"

  • Mac OS X: /Applications/Opera.app/Contents/MacOS/Opera --proxy-server="socks5://localhost:1080"

• Firefox
  • There is no officially option '-proxy-server' for the commandline
  • Start firefox, open 'settings', navigate to 'network':