配置iptables路由转发

vim /etc/sysconfig/iptables

*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 9090 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 9099 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 7070 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 16000 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 16001 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
*nat
:PREROUTING ACCEPT [2:104]
:POSTROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A OUTPUT -d 222.128.6.251 -p tcp --dport 9090 -j DNAT --to-destination 192.168.1.245:9090
-A OUTPUT -d 222.128.6.251 -p tcp --dport 7070 -j DNAT --to-destination 192.168.1.245:7070
-A PREROUTING -d 222.128.6.251/24 -p tcp --dport 9090 -j DNAT --to-destination 192.168.1.245:9090;
-A POSTROUTING -d 192.168.1.245/24 -p tcp --dport 9090 -j SNAT --to-source 222.128.6.251:9090;

-A PREROUTING -d 222.128.6.251/24 -p tcp --dport 7070 -j DNAT --to-destination 192.168.1.245:7070;
-A POSTROUTING -d 192.168.1.245/24 -p tcp --dport 7070 -j SNAT --to-source 222.128.6.251:7070;

COMMIT