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{{Admon/note | | You can also use an ssh connection to tunnel other types of traffic. There could be different reasons for doing this. For example tunneling traffic for an unencrypted application/protocol through ssh can increase the security of that application. Alternatively you could use it to circumvent a firewall that is blocking traffic you wish to use but allows ssh traffic to pass through.}}
:::: [[Image:Tunnel.png]]
{{Admon/note | Note! | The -L (which means Local port) takes one argument of <pre><local-port>:<connect-to-host>:<connect-to-port></pre> The command basically connects your local port of 20808 to the remote port of 80 on fedora1. This means all requests to 20808 on the localhost (fedora2) are actually tunnelled through your ssh connection to port 22 on fedora1 and then delivered to port 80 on fedora1, bypassing the firewall. }}
=== Investigation 7: How do you make sshd more secure. ===