Iptables防火墙iprange模块扩展匹配规则详解（防火墙的ip）燃爆了

[root@jxl-1 ~]# iptables -L -n -v –line-number
Chain INPUT (policy ACCEPT 2033 packets, 2002K bytes)
num pkts bytes target prot opt in out source destination
1 0 0 DROP icmp — * * 0.0.0.0/0 0.0.0.0/0 source IP range 192.168.20.10-192.168.20.19
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
num pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 2072 packets, 3079K bytes)
num pkts bytes target prot opt in out source destination