docker通过iptables修改或新增镜像映射端口

443 8088 22 端口是初始映射端口

[root@SERVER ~]# docker ps
CONTAINER ID        IMAGE               COMMAND               CREATED             STATUS              PORTS                                                                NAMES
96b2d3c6c99d        inits/source1.0.3   "/usr/sbin/sshd -D"    hours ago         Up  hours          0.0.0.0:->/tcp, 0.0.0.0:->/tcp, 0.0.0.0:->/tcp   elegant_blackwell 

iptables策略

[root@SERVER ~]# iptables -t nat -L -n
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination
DOCKER     all  --  0.0.0.0/            0.0.0.0/           ADDRTYPE match dst-type LOCAL 

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
MASQUERADE  all  --  172.17.0.0/        0.0.0.0/
MASQUERADE  tcp  --  172.17.0.15          172.17.0.15         tcp dpt:
MASQUERADE  tcp  --  172.17.0.15          172.17.0.15         tcp dpt:
MASQUERADE  tcp  --  172.17.0.15          172.17.0.15         tcp dpt: 

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination
DOCKER     all  --  0.0.0.0/           !127.0.0.0/         ADDRTYPE match dst-type LOCAL 

Chain DOCKER ( references)
target     prot opt source               destination
DNAT       tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:8088 to:172.17.0.15:8088
DNAT       tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:443 to:172.17.0.15:443
DNAT       tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:1038 to:172.17.0.15:22 

新增映射端口

iptables -t nat -A DOCKER ! -i br0 -p tcp -m tcp --dport  -j DNAT --to-destination 172.17.0.15: