56.第十三章 Linux防火墙 -- iptables(三)

3.7 iptables 自定义链

范例：

root@ubuntu2004:~# iptables -N web_chain
root@ubuntu2004:~# iptables -vnL
Chain INPUT (policy ACCEPT 6 packets, 428 bytes)
 pkts bytes target     prot opt in     out     source               destination         

Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination         

Cha