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

Forum Discussion

PSPK's avatar
PSPK
Icon for Nimbostratus rankNimbostratus
Dec 16, 2020

Log the TLS version of a client connecting to a TCP VIP with no HTTP or client-ssl Profile

Hello,   I have a TCP VIP on port 995 with no HTTP Profile or client-ssl profile. There are several clients that makes SSL connections to this VIP. I need to know the client SSL/TLS version. ...
application delivery
Do
irules
LTM
security
TLS Verison
jaikumar_f5's avatar
jaikumar_f5
Icon for Noctilucent rankNoctilucent
Dec 17, 2020

Hi  ,

 

This cannot be achieved with your existing setup. You have to offload the traffic to get that information. It clearly tells you on the log error message.

 

01070394:3: CLIENTSSL_HANDSHAKE event in rule (/Common/TLS-Version-2) requires an associated CLIENTSSL profile on the virtual server (/Common/vs_exchange-2016_pop3_MWDC).