docker port forward bind / dns / udp不响应
我不能从任何地方，但docker集装箱特定的IP或内部容器得到响应。
我的防火墙在virtualbox机器上被禁用：
root@docker-aasaam-web-app:~# ufw status verbose Status: inactive 在docker机testingdocker容器IP：
root@docker-machine:~# telnet 172.17.0.3 53 Trying 172.17.0.3... Connected to 172.17.0.3. Escape character is '^]'. ^] telnet> q Connection closed.
里面的容器
root@014f546c2322:/# telnet 127.0.0.1 53 Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'.
在docker机上testing本地ip：
root@docker-machine:~# telnet 127.0.0.1 53 Trying 127.0.0.1... telnet: Unable to connect to remote host: Connection refused
在virtualbox之外
sweb@sweb-laptop:~$ ping 192.168.56.160 PING 192.168.56.160 (192.168.56.160) 56(84) bytes of data. 64 bytes from 192.168.56.160: icmp_seq=1 ttl=64 time=0.366 ms ^C --- 192.168.56.160 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.366/0.366/0.366/0.000 ms sweb@sweb-laptop:~$ telnet 192.168.56.160 53 Trying 192.168.56.160... telnet: Unable to connect to remote host: Connection refused
和dockerPS是：
root@docker-machine:~# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES dc758771ce15 exampleapp-dns:latest "exampleapp-start" 21 minutes ago Up 21 minutes 0.0.0.0:53->53/udp exampleapp-dns
有什么问题？
解决了。 我需要添加--dns=127.0.0.1运行容器强制parsingconfiguration。