Bug ID 1285037: No error when DNS server is configured with port other than 53

Last Modified: Jul 15, 2026

Affected Product(s):
F5OS F5OS-C(all modules)

Fixed In:
F5OS v2.0.0

Opened: Apr 05, 2023

Severity: 3-Major

Symptoms

F5OS allows to configure DNS port other than 53 although it is not being used by DNS resolvers.

Impact

No Functional impact.

Conditions

Configuring DNS port other than 53.

Workaround

None.

Fix Information

F5OS will not allow to configure DNS port other than 53. Along with this, F5OS also restricts number of DNS servers count to 3.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips