Chain lan (3 references)
target     prot opt source               destination
REJECT     tcp  --  anywhere             anywhere             tcp dpt:domain reject-with icmp-port-unreachable
REJECT     udp  --  anywhere             anywhere             udp dpt:domain reject-with icmp-port-unreachable
REJECT     all  --  anywhere             anywhere             owner UID match postgres reject-with icmp-port-unreachable
ACCEPT     all  --  anywhere             anywhere