Bug ID 2240957: ASM does not send a webhook when a HTTP proxy server is used.

Last Modified: Mar 17, 2026

Affected Product(s):
BIG-IP ASM(all modules)

Known Affected Versions:
17.1.3, 17.1.3.1

Opened: Mar 11, 2026

Severity: 3-Major

Symptoms

Handshake failure logs observed in /var/log/asm: ASM subsystem error (asmcrond,(eval)): Failed to send webhook: ASM subsystem error (asmcrond,(eval)): 500 handshakefailed

Impact

Cannot use webhook function when using a http proxy server

Conditions

Use webhook with a HTTP proxy server

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips