iptables

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Notion Tip: This page documents processes product managers should follow to ship features at Acme Corp. Helpful for getting new employees up to speed.

端口放行持久化查看规则清除所有规则

端口放行

apt-get update
apt-get install iptables

iptables -I INPUT -p tcp --dport 33456 -j ACCEPT
iptables -I INPUT -p udp --dport 33456 -j ACCEPT
iptables-save

打开2000~65534之间的端口

iptables -A INPUT -p tcp --dport 2000:65534 -j ACCEPT

持久化

安装iptables-persistent

apt-get install -y iptables-persistent

保存规则持续生效

netfilter-persistent save
netfilter-persistent reload

设置完成后指定端口就会持续放行了；

查看规则

iptables -L

清除所有规则

iptables -F