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各位前辈帮我啊
我的客户机是上不了网,其设置如下:
IP:192.168.0.5 255.255.255.0
网关:192.168.0.1 DNS:202.96.134.133
浏览器设为“通过局域网连接”,并选中“自动搜寻代理服务器”
服务器是红旗桌面4,宽带(虚拟拔号),能上网。共两张网卡:
eth0 连局域网络 192.168.0.1 255.255.255.0
eth1 连外部网络 没有设IP
设置如下:从setup中把iptables服务打开。
把/etc/sysctl.conf配置文件中的
net.ipv4.ip_forward=0,改成=1,再在shell提示符下输入以下命令:
输入 iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD DROP.
接着保存 iptables-save > /etc/sysconfig/iptables
我的/etc/sysconfig/iptabls内容为:
# Generated by iptables-save v1.2.7a on Tue Sep 30 11:28:48 2003
*filter
:INPUT ACCEPT [6:850]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [2:184]
COMMIT
# Completed on Tue Sep 30 11:28:48 2003
# Generated by iptables-save v1.2.7a on Tue Sep 30 11:28:48 2003
*nat
REROUTING ACCEPT [369:23649]
OSTROUTING ACCEPT [35:3319]
:OUTPUT ACCEPT [20:2404]
-A POSTROUTING -o eth1 -j MASQUERADE
COMMIT
# Completed on Tue Sep 30 11:28:48 2003
在客户机中都可以ping通,但不能上网:help |
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