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Failing health checks - Failed SSL Negotiation





Real Server is failing health checks, found "Failed SSL negotiation" in the log files.


Product: LoadMaster

Version: Any

Platform: Any

Application: Any web-based application

Question/Problem Description:

What do "Failed SSL negotiation" log messages indicate?

Steps to Reproduce:  
Error Message: Failed SSL negotiation
Defect Number:  
Enhancement Number:  

HTTPS Protocol health checks are in use on the VS/SubVS indicated within Virtual Services > View/Modify Services > modify the indicated Virtual Service > if necessary, modify the indicated SubVS > Real Servers.

This message indicates that the underlying TCP connection is able to form as expected, but the SSL handshake is failing.

Resolution: A packet capture should be taken from the LoadMaster to determine why the SSL handshake is failing. This can be done by navigating to System Configuration > Troubleshooting > populate the Real Server address in the Address field > Start > wait one minute for health checks to run > Stop > Download. Open the file with a tool such as Wireshark.

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