Bug ID 1349165: iRule SSL:: commands error when run in HTTP3 HTTP_REQUEST events

Last Modified: Jun 28, 2025

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

Known Affected Versions:
16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6

Opened: Sep 06, 2023

Severity: 3-Major

Symptoms

An iRule can produce a TCL error if an SSL command is used in an HTTP_REQUEST event attached to an HTTP3 virtual server. The error message: err tmm[18226]: 01220001:3: TCL error: /Common/__test-IRule <HTTP_REQUEST> - while executing "SSL::cert mode"

Impact

The iRule errors out causing the connection to reset.

Conditions

An iRule with an SSL command in an HTTP_REQUEST event attached to an HTTP3 virtual server.

Workaround

Do not place SSL commands in HTTP_REQUEST events attached to HTTP3 virtual servers. Use them in CLIENTSSL_HANDSHAKE events instead.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips