Bug ID 453332: Unable to connect to iControl-REST URIs, connection times out

Last Modified: Jul 18, 2026

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

Known Affected Versions:
11.5.1, 11.5.1 hf1, 11.5.1 hf2, 11.5.1 hf3, 11.5.1 hf4, 11.5.1 hf5, 11.5.1 hf6, 11.5.1 hf7, 11.5.1 hf8, 11.5.1 hf9, 11.5.1 hf10, 11.5.1 hf11, 11.5.2, 11.5.2 hf1, 11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Fixed In:
11.6.0

Opened: Mar 20, 2014

Severity: 1-Blocking

Related Article: K16390

Symptoms

If the icrd log file contains "RestServer, SEVERE,accept(...) returned unknown errno 24" and iControl REST calls are timing out.

Impact

iControl-REST calls are timing out.

Conditions

All where iControl-REST calls are being made.

Workaround

This issue has no workaround at this time.

Fix Information

Fixed an issue with iControl REST calls timing out.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips