80. How do I use port forwarding and SOCKS-proxy in SSH?
Let us assume that there is a service on a server listening to a local port 8787.Port forwarding using PuTTY in Windows
"c:\Program Files (x86)\PuTTY\putty.exe" -L 8787:localhost:8787 youraccount@server.department.uu.se
PuTTY can of course also be configured using the GUI.
Port forwarding using OpenSSH in Linux and macOS
ssh -L 8787:localhost:8787 youraccount@server.department.uu.se
SOCKS-proxy using PuTTY in Windows
Also be aware that you can use PuTTY and OpenSSH as a SOCKS-proxy which can be used to access arbitrary ports."c:\Program Files (x86)\PuTTY\putty.exe" -D 9999 youraccount@server.department.uu.se
SOCKS-proxy using OpenSSH in Linux and macOS
ssh -D 9999 youraccount@server.department.uu.se
Acessing the SOCKS-proxy from the web browser
Let your web browswer be configured to use this SOCKS-proxy.Firefox is configured in Preferences, General and Connection Settings like this:
Chrome can be started with the SOCKS-proxy as a command line argument. This example is in macOS:
open /Applications/Google\ Chrome.app --args --proxy-server="socks5://localhost:9999"
Will it work?
Then start the web browser and go to a web page which displays where you are connecting from.
You can go to What is my IP-address and MAC-address? in this FAQ or
perhaps www.whatismyip.com. Here I have
connected to UPPMAX over SSH and proxied my browser via that server.
