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Configure iptables
2022-04-23 18:32:00 【Drunken Xiaobai】
1、 Back up previous configuration files
cp /etc/sysconfig/iptables /tmp/iptable`date +%y%m%d%H`.bak
2、 Port rules before cleanup
vi /etc/sysconfig/iptables
3、 Add access rule
iptables -A INPUT -s x.x.x.x -p tcp -m multiport --dports 22,80,3000 -j ACCEPT
4、 restart iptables
service iptables save
service iptables restart
5、 see iptables
iptables -L
6、 Access validation
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本文为[Drunken Xiaobai]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/04/202204231829110805.html
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