墨少离 - 个人小站，分享一些资源以及心得~ - IPTABLES
2021-02-21T16:35:33+08:00
Typecho
https://www.msl.la/feed/atom/tag/IPTABLES/
<![CDATA[送上一个自用的IPTABLES规则，适合网站服务器]]>
https://www.msl.la/archives/154/
2021-02-21T16:35:33+08:00
2021-02-21T16:35:33+08:00
墨少离
https://www.msl.la/
IPT="/sbin/iptables"
$IPT --delete-chain
$IPT --flush
$IPT -P INPUT DROP
$IPT -P FORWARD DROP
$IPT -P OUTPUT DROP
$IPT -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
$IPT -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
$IPT -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
$IPT -A INPUT -p tcp -m tcp --dport 21 -j ACCEPT
$IPT -A INPUT -p tcp -m tcp --dport 443 -j ACCEPT
$IPT -A INPUT -i lo -j ACCEPT
$IPT -A INPUT -p icmp -m icmp --icmp-type 8 -j ACCEPT
$IPT -A INPUT -p icmp -m icmp --icmp-type 11 -j ACCEPT
$IPT -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
$IPT -A OUTPUT -p udp -m udp --dport 53 -j ACCEPT
$IPT -A OUTPUT -o lo -j ACCEPT
$IPT -A OUTPUT -p tcp -m tcp --dport 80 -j ACCEPT
$IPT -A OUTPUT -p tcp -m tcp --dport 25 -j ACCEPT
$IPT -A OUTPUT -p tcp -m tcp --dport 443 -j ACCEPT
$IPT -A OUTPUT -p icmp -m icmp --icmp-type 8 -j ACCEPT
$IPT -A OUTPUT -p icmp -m icmp --icmp-type 11 -j ACCEPT
service iptables save
service iptables restart
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