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Bash

#!/bin/bash
## Start Rstudio server in Firefox through an encrypted SSH tunnel
## Written Dec 15, 2014
## Taha Ahmed
# ssh port number
PORT=9996 # matches the port set in firefox profile about:config
# the firefox profile "rstudioserver" has been configured
# using about:config to route all traffic (including DNS requests)
# over the socks proxy
# network.proxy.socks : 127.0.0.1
# network.proxy.socks_port : 9996
# network.proxy.socks.remote_dns : true
# network.proxy.socks_version : 5
# network.proxy.type : 1
# network.proxy.no_proxies_on : localhost, 127.0.0.1
# -f forks the process into the background
# when firefox stops using the tunnel, then
# the ssh client exits (having completed the sleep command)
# -N tells ssh that no commands will be sent (-f complains otherwise)
#ssh -D $PORT -f luxor sleep 10;
firefox -P "rstudioserver" "http://luxor.chepec.se/rstudio"
# (the tunnel is setup using autossh in a startup application)
# Notes:
# proxy flag does not work in Chrome:
# google-chrome --proxy-server="socks5://127.0.0.1:9995" --host-resolver-rules="MAP * 0.0.0.0 , EXCLUDE 127.0.0.1"
# but does work in Chromium, which unfortunately is not supported by Rstudio server
# chromium-browser --proxy-server="socks5://127.0.0.1:9995" --host-resolver-rules="MAP * 0.0.0.0 , EXCLUDE 127.0.0.1"
# See also:
# http://askubuntu.com/questions/469582/how-do-i-set-up-a-local-socks-proxy-that-tunnels-traffic-through-ssh
# http://kb.mozillazine.org/Command_line_arguments
# http://www.chromium.org/developers/design-documents/network-stack/socks-proxy
# http://www.g-loaded.eu/2006/11/24/auto-closing-ssh-tunnels/