root@ig1-k8s-04:~# iptables --list
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT tcp -- anywhere anywhere tcp dpt:domain /* managed by lxd-bridge */
ACCEPT udp -- anywhere anywhere udp dpt:domain /* managed by lxd-bridge */
ACCEPT udp -- anywhere anywhere udp dpt:bootps /* managed by lxd-bridge */
KUBE-FIREWALL all -- anywhere anywhere
Chain FORWARD (policy DROP)
target prot opt source destination
ACCEPT all -- anywhere anywhere /* managed by lxd-bridge */
ACCEPT all -- anywhere anywhere /* managed by lxd-bridge */
DOCKER-ISOLATION all -- anywhere anywhere
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DOCKER all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
KUBE-FIREWALL all -- anywhere anywhere
KUBE-SERVICES all -- anywhere anywhere /* kubernetes service portals */
Chain DOCKER (1 references)
target prot opt source destination
Chain DOCKER-ISOLATION (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere
Chain KUBE-FIREWALL (2 references)
target prot opt source destination
DROP all -- anywhere anywhere /* kubernetes firewall for dropping marked packets */ mark match 0x8000/0x8000
Chain KUBE-SERVICES (1 references)
target prot opt source destination
REJECT udp -- anywhere 10.152.183.10 /* kube-system/kube-dns:dns has no endpoints */ udp dpt:domain reject-with icmp-port-unreachable
REJECT tcp -- anywhere 10.152.183.10 /* kube-system/kube-dns:dns-tcp has no endpoints */ tcp dpt:domain reject-with icmp-port-unreachable
REJECT tcp -- anywhere 10.152.183.235 /* kube-system/kubernetes-dashboard: has no endpoints */ tcp dpt:http reject-with icmp-port-unreachable