- 论坛徽章:
- 0
|
REDHAT 5.1
执行iptables -L,会看到有Chain RH-Firewall-1,如果我加下如下两条规则,默认INPUT和Chain RH-Firewall-1-INPUT谁在起作用,哪个优先级高呢?
iptables -A INPUT -p UDP -i eth0 --dport 67 -j ACCEPT
iptables -A INPUT -p UDP -i eth0 --dport 68 -j ACCEPT
Chain RH-Firewall-1-INPUT (2 references)
pkts bytes target prot opt in out source destination
30726 2599K ACCEPT all -- lo any anywhere anywhere
340 20496 ACCEPT icmp -- any any anywhere anywhere icmp any
0 0 ACCEPT esp -- any any anywhere anywhere
0 0 ACCEPT ah -- any any anywhere anywhere
0 0 ACCEPT udp -- any any anywhere 224.0.0.251 udp dpt:mdns
0 0 ACCEPT udp -- any any anywhere anywhere udp dpt:ipp
0 0 ACCEPT tcp -- any any anywhere anywhere tcp dpt:ipp
6595 725K ACCEPT all -- any any anywhere anywhere state RELATED,ESTABLISHED
7 384 ACCEPT tcp -- any any anywhere anywhere state NEW tcp dpt:ssh
58947 18M REJECT all -- any any anywhere anywhere reject-with icmp-host-prohibited |
|