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防火墙配置端口转接

时间:2015-01-17 19:41来源:linux.it.net.cn 作者:IT

# Generated by iptables-save v1.3.5 on Thu Dec 27 14:48:12 2012
*nat
:PREROUTING ACCEPT [9005:597693]
:POSTROUTING ACCEPT [161:9965]
:OUTPUT ACCEPT [161:9965]

##转接80到9001端口
-A PREROUTING -d 192.168.1.1 -p tcp -m tcp --dport 80 -j DNAT --to-destination 192.168.1.1:9001
-A POSTROUTING -s 192.168.1.1 -p tcp -m tcp --sport 9001 -j SNAT --to-source 192.168.1.1:80
COMMIT
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [69:10614]
:RH-Firewall-1-INPUT - [0:0]
-A INPUT -j RH-Firewall-1-INPUT
-A FORWARD -j RH-Firewall-1-INPUT
-A RH-Firewall-1-INPUT -i lo -j ACCEPT
-A RH-Firewall-1-INPUT -p icmp -m icmp --icmp-type any -j ACCEPT
-A RH-Firewall-1-INPUT -p esp -j ACCEPT
-A RH-Firewall-1-INPUT -p ah -j ACCEPT
-A RH-Firewall-1-INPUT -d 224.0.0.251 -p udp -m udp --dport 5353 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp -m udp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m tcp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
#-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
COMMIT
# Completed on Thu Dec 27 14:48:12 2012



(责任编辑:IT)
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