linux中iptables删除一条具体规则
查看行号：
iptables -L -n --line-numbereg:
Chain INPUT (policy ACCEPT)
num target prot opt source destination
Chain FORWARD (policy DROP)
num target prot opt source destination
1 DOCKER-USER all -- 0.0.0.0/0 0.0.0.0/0
2 DOCKER-ISOLATION-STAGE-1 all -- 0.0.0.0/0 0.0.0.0/0
3 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 ctstate RELATED,ESTABLISHED
4 DOCKER all -- 0.0.0.0/0 0.0.0.0/0
5 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
6 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
Chain OUTPUT (policy ACCEPT)
num target prot opt source destination
Chain DOCKER (1 references)
num target prot opt source destination
1 ACCEPT tcp -- 0.0.0.0/0 172.17.0.2 tcp dpt:6379
2 ACCEPT tcp -- 0.0.0.0/0 172.17.0.3 tcp dpt:10081
3 ACCEPT udp -- 0.0.0.0/0 172.17.0.3 udp dpt:10081
4 ACCEPT tcp -- 0.0.0.0/0 172.17.0.3 tcp dpt:80
5 ACCEPT tcp -- 0.0.0.0/0 172.17.0.4 tcp dpt:3306
Chain DOCKER-ISOLATION-STAGE-1 (1 references)
num target prot opt source destination
1 DOCKER-ISOLATION-STAGE-2 all -- 0.0.0.0/0 0.0.0.0/0
2 RETURN all -- 0.0.0.0/0 0.0.0.0/0
Chain DOCKER-ISOLATION-STAGE-2 (1 references)
num target prot opt source destination
1 DROP all -- 0.0.0.0/0 0.0.0.0/0
2 RETURN all -- 0.0.0.0/0 0.0.0.0/0
Chain DOCKER-USER (1 references)
num target prot opt source destination
1 RETURN all -- 0.0.0.0/0 0.0.0.0/0
delete:
iptables -D DOCKER-ISOLATION-STAGE-2 1save:
iptables-save