CentOS 关闭防火墙命令与注意事项-白红宇

CentOS 关闭防火墙命令与注意事项

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发布时间：2019-02-28

本文共 822 字，大约阅读时间需要 2 分钟。

CentOS 6?CentOS 7?????????????

?????????????????????????????????????????????????????????????CentOS?????????????????????????

??????????CentOS 6?CentOS 7???????????????????????????????????????????????????????????????????

??????????????????

CentOS 6??????

??????????????

???chkconfig iptables on

???chkconfig iptables off

????????????

???service iptables start

???service iptables stop

CentOS 7??????

?????????

???systemctl start firewalld.service

???systemctl stop firewalld.service

???????systemctl disable firewalld.service

????????

??TCP?????netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'

?????????netstat -anp | grep portno????netstat ?apn | grep 80?

??????????CentOS 7???????????????CentOS 6?iptables?????????????????????????????????

?????????CentOS????????????????????????????????????????????????

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