iptables规则的删除
iptables -L INPUT --line-numbers 列出INPUT 链所有的规则num target prot opt source destination 1 REJECT tcp -- anywhere anywhere tcp dpt:microsoft-ds reject-with icmp-port-unreachable 2 REJECT tcp -- anywhere anywhere tcp dpt:135 reject-with icmp-port-unreachable ...... 删除指定的第2行规则：iptables -D INPUT 2
