Bug ID 1028773: Support for DNS Over TLS

Last Modified: Nov 07, 2022

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

Known Affected Versions:
16.1.0, 16.1.1

Fixed In:
17.0.0, 16.1.2

Opened: Jun 24, 2021

Severity: 2-Critical


The BIG-IP system does not have support for DNS over TLS (DoT).


Performance is degraded.


This is encountered if you wish to combine a clientssl profile with the dns profile on a virtual server.



Fix Information

Clients can now initiate DNS over TLS requests to virtual servers that have the clientssl and dns profiles attached.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips