以下几句防火墙语句什么意思？

pengmilk

我搜索了很多文章，好像还是没搞明白，请帮忙，谢谢！！！！！
*filter
:INPUT ACCEPT [0]
:FORWARD ACCEPT [0]
:OUTPUT ACCEPT [0]
:RH-Firewall-1-INPUT - [0]
-A INPUT -j RH-Firewall-1-INPUT
-A FORWARD -j RH-Firewall-1-INPUT

-A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT


-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited

platinum

哪里没明白？