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Visual guide to SSH tunneling and port forwarding (2023)
SysAdmin Stuff | Linux | Network | Security
Security: encrypt insecure connections (FTP, other legacy protocols)access web admin panels via secure SSH tunnel (Pub Key Authentication)having potentially less ports exposed (only 22, instead of additional 80/443) Troubleshooting: bypassing firewalls/content filterschoosing different routes Connection: reach server behind NATuse jumphost to reach internal servers over the internetexposing local ports to the internet There are many more use cases, but this overview should give you a sense of possibilities. Access logs of the webserver on REMOTE-WEBAPP: 10.99.99.2 - - [30/Dec/2022 21:28:42] "GET / HTTP/1.1" 200 the request originates from the intern IP of LOCAL-MACHINE (10.99.99.2) Example 1+2 ssh -R 8000:localhost:8001 user@REMOTE-MACHINE Dummy IP & MAC Addresses for Documentation & Sanitization Deploying ISSO Commenting System for Static Content using Docker Generate a Vanity v3 Hidden Service Onion Address with mkp224o ssh-audit Primer - Audit your SSH Server mtr - More Detailed Traceroute - Network Troubleshooting
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