Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

Krys_Frankiewic's avatar
Krys_Frankiewic
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10 years ago

TCP port translation problem

We are terminating SSL right on the server (node) which is listening on TCP 9443. Our VS is listening on 443, HTTP profile is set to none and port translation is enable. In this scenario we are not a...
application delivery
LTM
Krys_Frankiewic's avatar
Krys_Frankiewic
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10 years ago

I don't have design problem, just protocol translation in this specific setting is not working. SNAT is enabled, I have many VS configured with out any problems. If VS and nodes are listen on the sam TCP port everything works. If I VS is listen on a different port than nodes, transaction is failing.

 

  • Renato_166638's avatar
    Renato_166638
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    10 years ago
    Well... in this case the configuration suggested by Stanislas have to work for you. Going further on Stanislas's suggestions, you will have to use tcpdump to understand what is going on with your configuration.