Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

LanceLyons's avatar
LanceLyons
Icon for Cirrus rankCirrus
Sep 13, 2021

F5 load balancing Kubernetes masters

Hi, We are trying to setup an HA kubernetes cluster. We have alot of the work done on this like the etcd cluster setup and complete, etc. We are hoping to load balance the k8 api servers with the...
big-ip
devops
Kubernetes
inaily's avatar
inaily
Icon for Nimbostratus rankNimbostratus
Oct 02, 2022

How are you authenticating your clients with the API servers? if using client-certificate authentication, you need to make sure that your F5 virtual server is forwarding the client certificate to the api servers. I used a performance(layer4) VS which will not terminate the TLS connection and will forward the client certificate to the API servers for authentication.