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环境是这样的,一台trustix-2.0Linux服务器,用来拨号上网,一个HUB,一台Windowd2000系统,很简单的一个局限网,Linux服务器的IP地址为192.168.20.1,Windows2000系统IP地址为192.168.20.2,我想让Linux做透明代理服务器,2000通过这台代理服务器上网.
我的Squid2.5版本配置如下:
http_port 8080
cache_mem 8 MB
cache_swap_low 90
cache_swap_high 95
maximum_object_size 4096 KB
cache_dir ufs /opt/cache 100 16 256
cache_access_log /usr/local/squid/var/logs/access.log
cache_log /usr/local/squid/var/logs/cache.log
dns_nameservers 219.234.32.254
unlinkd_program /usr/local/squid/libexec/unlinkd
acl allwed_hosts src 192.168.20.0/255.255.255.0
http_access allow all
cache_effective_user sjweb
cache_effective_group sjweb
httpd_accel_host virtual
httpd_accel_port 80
httpd_accel_with_proxy on
httpd_accel_uses_host_header on
visible_hostname www.sina.com.cn
Iptalbes脚本如下:
#begin
echo 1 >; /proc/sys/net/ipv4/ip_forward
modprobe iptable_nat
modprobe ip_conntrack
modprobe ip_conntrack_ftp
iptables -F INPUT
iptables -F FORWARD
iptables -F POSTROUTING -t nat
iptables -t nat -F
iptables -P FORWARD DROP
iptables -A FORWARD -s 192.168.20.0/24 -j ACCEPT
iptables -A FORWARD -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -t nat -A POSTROUTING -o ppp0 -s 192.168.20.0/24 -j MASQUERADE
#end
现在的问题是,在2000系统上可以ping通192.168.20.1,把网关设置成为192.168.20.1,然后用Linux拨号上网,但2000却打开不了网页,直接输入IP地址也不行,能否让大家帮帮忙,谢谢! |
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