[{"data":1,"prerenderedAt":16},["ShallowReactive",2],{"blog-tag-en-ingress-nginx":3},[4],{"path":5,"title":6,"description":7,"date":8,"tags":9},"\u002Fblog\u002Fen\u002Fk3s-traefik-servicelb-ingress-nginx-port-conflict","You Disabled Traefik on K3s, But ingress-nginx Still Can't Grab Port 443. Meet ServiceLB, the Roommate You Forgot About","You ran the K3s disable-traefik flag but ingress-nginx still can't bind port 443. The culprit is ServiceLB (klipper-lb), another default K3s component. Here's how to diagnose it, disable it correctly, and what changes if you're running MetalLB.","2026-09-19",[10,11,12,13,14,15],"k3s","kubernetes","traefik","servicelb","ingress-nginx","load-balancer",1792592713832]