docker 18.09.6 basic iptables rules

1.txt

# Generated by iptables-save v1.8.3 on Fri Jun 28 16:05:10 2019
*nat
:PREROUTING ACCEPT [499:31131]
:INPUT ACCEPT [387:26346]
:OUTPUT ACCEPT [51834:5507608]
:POSTROUTING ACCEPT [51834:5507608]
:DOCKER - [0:0]
-A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
-A OUTPUT ! -d 127.0.0.0/8 -m addrtype --dst-type LOCAL -j DOCKER
-A POSTROUTING -s 172.17.0.0/16 ! -o docker0 -j MASQUERADE
-A DOCKER -i docker0 -j RETURN
COMMIT
# Completed on Fri Jun 28 16:05:10 2019
# Generated by iptables-save v1.8.3 on Fri Jun 28 16:05:10 2019
*filter
:INPUT ACCEPT [1117837:1489152633]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [675884:76938077]
:DOCKER - [0:0]
:DOCKER-ISOLATION-STAGE-1 - [0:0]
:DOCKER-ISOLATION-STAGE-2 - [0:0]
:DOCKER-USER - [0:0]
-A FORWARD -j DOCKER-USER
-A FORWARD -j DOCKER-ISOLATION-STAGE-1
-A FORWARD -o docker0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -o docker0 -j DOCKER
-A FORWARD -i docker0 ! -o docker0 -j ACCEPT
-A FORWARD -i docker0 -o docker0 -j ACCEPT
-A DOCKER-ISOLATION-STAGE-1 -i docker0 ! -o docker0 -j DOCKER-ISOLATION-STAGE-2
-A DOCKER-ISOLATION-STAGE-1 -j RETURN
-A DOCKER-ISOLATION-STAGE-2 -o docker0 -j DROP
-A DOCKER-ISOLATION-STAGE-2 -j RETURN
-A DOCKER-USER -j RETURN
COMMIT
# Completed on Fri Jun 28 16:05:10 2019