SSH Tunnel

Create a SSH tunnel to make the browsing content Security. 

1. A remote SSH server and you can access with SSH.
2. putty- New Session, In tunnels, add 'source port' (7070). 'Dynamic', 'Auto'. Login SSH server
3. Try SwitchProxy Tool add-on for firefox. Add 'SOCKS Proxy (127.0.0.1)', 'Port (7070)'-"SOCKS v5"
4. You may also use one command line to replace steps 2 and 3. This needs 'plink.exe': plink -N username@ssh-host -pw password -D 127.0.0.1:7070  --(not quite sure, replace 7070 with others but switchporxy is 7070, still working?)

The following links are useful: link1, link2, link3.