docker端口映射或启动容器时报错 driver failed programming external connectivity on endpoint quirky_allen

最新推荐文章于 2025-05-12 10:41:22 发布

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最新推荐文章于 2025-05-12 10:41:22 发布

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本文解析了Docker在端口映射或启动容器时出现的错误：driver failed programming external connectivity，并深入探讨了此问题的根本原因——CentOS 7的firewall与Docker之间的冲突，最后提供了详细的解决步骤。

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docker端口映射或启动容器时报错 Error response from daemon: driver failed programming external connectivity on endpoint quirky_allen

现象：

[root@localhost ~]# docker run -d -p 9000:80 centos:httpd /bin/sh -c /usr/local/bin/start.sh
d5b2bd5a7bc4895a973fe61efd051847047d26385f65c278aaa09e4fa31c4d76
docker: Error response from daemon: driver failed programming external connectivity on endpoint quirky_allen (6bda693d1143657e46bee0300276aa05820da2b21a3d89441e820d1a274c48b6): (iptables failed: iptables --wait -t nat -A DOCKER -p tcp -d 0/0 --dport 9000 -j DNAT --to-destination 172.17.0.2:80 ! -i docker0: iptables: No chain/target/match by that name.
(exit status 1)).

[root@localhost ~]# docker start d5b2bd5a7bc4
Error response from daemon: driver failed programming external connectivity on endpoint quirky_allen (4127da7466709fd45695a1fbe98e13c2ac30c2a554e18fb902ef5a03ba308438): (iptables failed: iptables --wait -t nat -A DOCKER -p tcp -d 0/0 --dport 9000 -j DNAT --to-destination 172.17.0.2:80 ! -i docker0: iptables: No chain/target/match by that name.
(exit status 1))
Error: failed to start containers: d5b2bd5a7bc4

原因:
docker服务启动时定义的自定义链DOCKER由于 centos7 firewall 被清掉

firewall的底层是使用iptables进行数据过滤，建立在iptables之上，这可能会与 Docker 产生冲突。

当 firewalld 启动或者重启的时候，将会从 iptables 中移除 DOCKER 的规则，从而影响了 Docker 的正常工作。

当你使用的是 Systemd 的时候， firewalld 会在 Docker 之前启动，但是如果你在 Docker 启动之后再启动或者重启 firewalld ，你就需要重启 Docker 进程了。

重启docker服务及可重新生成自定义链DOCKER

Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination        
DOCKER     all  --  0.0.0.0/0            0.0.0.0/0            ADDRTYPE match dst-type LOCAL

Chain INPUT (policy ACCEPT)
target     prot opt source               destination        

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination        
DOCKER     all  --  0.0.0.0/0           !127.0.0.0/8          ADDRTYPE match dst-type LOCAL

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination        
MASQUERADE  all  --  172.17.0.0/16        0.0.0.0/0          
MASQUERADE  tcp  --  172.17.0.2           172.17.0.2           tcp dpt:8080

Chain DOCKER (2 references)
target     prot opt source               destination        
RETURN     all  --  0.0.0.0/0            0.0.0.0/0          
DNAT       tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:8888 to:172.17.0.2:8080
root@router:playbook#iptables -t nat -nL
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination        
DOCKER     all  --  0.0.0.0/0            0.0.0.0/0            ADDRTYPE match dst-type LOCAL

Chain INPUT (policy ACCEPT)
target     prot opt source               destination        

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination        
DOCKER     all  --  0.0.0.0/0           !127.0.0.0/8          ADDRTYPE match dst-type LOCAL

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination        
MASQUERADE  all  --  172.17.0.0/16        0.0.0.0/0          
MASQUERADE  tcp  --  172.17.0.2           172.17.0.2           tcp dpt:8080

Chain DOCKER (2 references)
target     prot opt source               destination        
RETURN     all  --  0.0.0.0/0            0.0.0.0/0          
DNAT       tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:8888 to:172.17.0.2:8080

解决:
重启docker服务后再启动容器
systemctl restart docker
docker start foo