IPTABLES Rules add and delete
1) Add RULE
iptables -t nat -A DOCKER -p tcp --dport 3000 -j DNAT --to-destination 172.17.0.10:3000
2) Delete RULE
iptables -t nat -v -L -n --line-numbers
output:
num pkts bytes target prot opt in out source destination
1 3712 223K RETURN all -- docker0 * 0.0.0.0/0 0.0.0.0/0
2 0 0 RETURN all -- br-8ce9d4979c48 * 0.0.0.0/0 0.0.0.0/0
3 36 2160 DNAT tcp -- !docker0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:5432 to:172.17.0.4:5432
4 60 3520 DNAT tcp -- !docker0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:7001 to:172.17.0.6:80
5 170 9952 DNAT tcp -- !docker0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:7000 to:172.17.0.5:9000
6 42 2488 DNAT tcp -- !docker0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:7002 to:172.17.0.7:80
7 8 506 DNAT tcp -- !docker0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:3306 to:172.17.0.3:3306
8 64 3720 DNAT tcp -- !docker0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:7003 to:172.17.0.2:80
9 42 2520 DNAT tcp -- !docker0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:7004 to:172.17.0.8:80
10 122 7320 DNAT tcp -- !docker0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:7005 to:172.17.0.9:8668
11 56 3360 DNAT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:3000 to:172.17.0.10:3000
Delete the 11 row
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iptables -t nat -D DOCKER 11
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