For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

rolf's avatar
rolf
Icon for Cirrus rankCirrus
Oct 19, 2018

TCL error: _cgc_pick_clientside

Hi,   in an ASM-LTM (Perimeter) Setup I see frquently the following logs:   ***err: tmm3[19962]: 01220001:3: TCL error: _cgc_pick_clientside - unknown cgc sni: f5-bei1.xxxx.xx (line 49) invoke...
application delivery
ASM Advanced WAF
clientssl
LTM
security
sni
ssl
ca2025's avatar
ca2025
Icon for Nimbostratus rankNimbostratus
Apr 12, 2025

Hi, rolf
May I ask if the "f5-bei1.xxx.xx" field in the log "unknown cgc sni: f5-bei1.xxx.xx (line 49)" is the hostname of the local ASM-LTM or the remote device?
Thank you, looking forward to your reply.