Hello Everyone, I installed k3s over SLE micro using https://documentation.suse.com/trd/kubernetes/single-html/kubernetes_ri_k3s-slemicro/index.html#id-software-k3s and as I have firewalld enabled i whitee listed the ports https://docs.k3s.io/installation/requirements?_highlight=firewalld&os=rhel#inbound-rules-for-k3s-server-nodes Firewalld list localhost:~ # firewall-cmd --list-all-zones block target: %%REJECT%% icmp-block-inversion: no interfaces: sources: services: ports: protocols: forward: no masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: dmz target: default icmp-block-inversion: no interfaces: sources: services: ssh ports: protocols: forward: no masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: docker (active) target: ACCEPT icmp-block-inversion: no interfaces: docker0 sources: services: ports: protocols: forward: no masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: drop target: DROP icmp-block-inversion: no interfaces: sources: services: ports: protocols: forward: no masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: external target: default icmp-block-inversion: no interfaces: sources: services: ssh ports: protocols: forward: no masquerade: yes forward-ports: source-ports: icmp-blocks: rich rules: home target: default icmp-block-inversion: no interfaces: sources: services: dhcpv6-client mdns samba-client ssh ports: protocols: forward: no masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: internal target: default icmp-block-inversion: no interfaces: sources: services: dhcpv6-client mdns samba-client ssh ports: protocols: forward: no masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: nm-shared target: ACCEPT icmp-block-inversion: no interfaces: sources: services: dhcp dns ssh ports: protocols: icmp ipv6-icmp forward: no masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: rule priority="32767" reject public (active) target: default icmp-block-inversion: no interfaces: eth0 sources: services: dhcpv6-client ssh ports: 6443/tcp 8472/tcp 10250/tcp 51820/tcp 51821/udp protocols: forward: no masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: