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

Forum Discussion

joesnyder_13328's avatar
joesnyder_13328
Icon for Nimbostratus rankNimbostratus
Aug 02, 2014

Health monitor not working correctly

I have a health monitor setup to check web application that we have load balanced. Right now I am using this as my health monitor: Interval: 5 seconds Timeout: 16 seconds Send String: HEAD / HTTP/...
application delivery
LTM
management
Samir_Jha_52506's avatar
Samir_Jha_52506
Icon for Noctilucent rankNoctilucent
Aug 03, 2014

Can you please try this. Hope it will work.

Interval: 5 seconds
Timeout: 16 seconds
GET /index.html HTTP/1.1\r\nHost: www.mywebsite.com\r\nConnection: close\r\n
Receive String: HTTP/1.[01] [23]0[0-8]