Gemeinsame Systemgruppe IfI/b-it

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En:ssh:socksproxy

SSH dynamic (SOCKS) proxy

If you do not need a full VPN but only access to internal Web services like renewal of a student account or creation of renewal of a VPN profile/certificate, you can use a dynamic proxy via SSH:

First step: create the tunnel

  • Unix, MacOS-X: ssh -D8888 login.cs.uni-bonn.de (students) or ssh -D8888 hera.cs.uni-bonn.de (employees) or ssh -D8888 login.bit.uni-bonn.de (employees of b-it)
  • Putty running on Windows:
    1. In Session: Host login.cs.uni-bonn.de (students) or hera.cs.uni-bonn.de (employees)
    2. In Connection: open the sub-menu SSH
    3. In Tunnels: destination dynamic, source port 8888, ADD
    4. Then Open

Second step: use the tunnel

Finally, configure in your web browser localhost:8888 as the Socks V5 proxy.

This example is for firefox 60.esr, English version. Other browsers and versions may look differently. Type, of course, 8888 wherever 7777 is used these pictures.