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

Forum Discussion

Merry95_171142's avatar
Merry95_171142
Icon for Nimbostratus rankNimbostratus
11 years ago

Handshake SSL failed for the HTTPS monitor

Hello,   I have a problem with the HTTPS monitor. When no monitor, the traffic is transmitted, and I can see a successfull SSL handshake between F5 and the client, and F5 and the server, using TLS...
Merry95_171142's avatar
Merry95_171142
Icon for Nimbostratus rankNimbostratus
11 years ago

Hi Brad,

 

The cipher used between F5 and the server when no monitor is 0x009c. This cipher is in the F5 client Hello monitor too.

 

I'm running LTM v11.6

 

Brad_Parker's avatar
Brad_Parker
Icon for Cirrus rankCirrus
11 years ago
Would it be possible to post the client hello packet from both the profile handshake and the https monitor attempt, sanitized of course if needed. I'm interested to see the difference. I've been bird dogging a problem with TLSv1.2 and iControl functions.