問(wèn)題：防火墻設(shè)置了但是無(wú)法生效，端口不受控制，防火墻報(bào)錯(cuò)

?WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -t filter -C DOCKER ! -...in?)

WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -t nat -C POSTROUTING -...name.

Dec 01 14:30:34 trail firewalld[107809]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -t filter -n -L DOCKER-...name.

Dec 01 14:30:34 trail firewalld[107809]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -t filter -C DOCKER-USE...in?).

Dec 01 14:30:34 trail firewalld[107809]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -t filter -C FORWARD -j...name.

Dec 01 14:30:41 trail firewalld[107809]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -t nat -C DOCKER -p tcp...name.

Dec 01 14:30:41 trail firewalld[107809]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -t filter -C DOCKER ! -...in?).

Dec 01 14:30:41 trail firewalld[107809]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -t nat -C POSTROUTING -...name.

解決：試過(guò)很多辦法，關(guān)閉了firewall，使用iptables，發(fā)現(xiàn)docker容器mysql無(wú)法被外部訪問(wèn)，最后還是使用了firewall，重啟多次正常沒(méi)有報(bào)錯(cuò)。