systemctl status iptables
systemctl status firewalld
iptables -L
cat /etc/sysconfig/iptables
封杀IP地址:
vi /etc/sysconfig/iptables,添加:-I INPUT -s 123.44.55.66 -j DROP
systemctl status iptables
systemctl status firewalld
iptables -L
cat /etc/sysconfig/iptables
封杀IP地址:
vi /etc/sysconfig/iptables,添加:-I INPUT -s 123.44.55.66 -j DROP