配置iptables规则

yum -y install iptables-services iptables
systemctl enable iptables
sh /home/pccuser/abc.sh

脚本

#!/bin/bash
systemctl start iptables
iptables -F
iptables -X
iptables -Z
iptables -t nat -F
iptables -t mangle -F
iptables -P INPUT DROP
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
iptables -A INPUT -p icmp -j ACCEPT
iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -s 127.0.0.1 -j ACCEPT
iptables -A INPUT -p tcp -m multiport --dport 22 -j ACCEPT
iptables -A INPUT -m iprange --src-range 10.6.130.24-10.6.130.131 -j ACCEPT
iptables -A INPUT -s 10.6.130.133 -j ACCEPT
service iptables save