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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
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