Very Computer

      WAN-Internet
               |
               |
+----------------------+
|   139.175.1.254   |  Gateway  (Real ip)
+----------------------+
               |                             PC1
               |                        +------------------+  (Real ip)
               +------------------|   139.175.1.5  |  Web Proxy (NT Server)
               |                        +------------------+  port : 12345
               |
+------------------------+
|  139.175.1.1(eth0)  |  (Real ip)
|                                |    RH6(2.2.5-15) + ipchains + transproxy
| 192.168.1.1 (eth1)  |    PC2
+------------------------+
                |
                |   LAN-Internal
   +--------------------+
   |  192.168.1.2     |   PC3
   +--------------------+

I use RH6 install  one router?A
1. I edit  /etc/sysconfig/network
    FORWARD_IPV4=yes

2. and i install transproxy-0.4.1
    standalong startup  in.tproxyd -s 8081 -r nobody 139.175.1.5 12345(use
standalong mode)

3.  /etc/services   tproxy is use port 8081(tcp)

4.   at IPChains
    ipchains -P forward DENY
    ipchains -A forward -s 192.168.1.0/24 -j MASQ
    ipchains -A input -p tcp -s 192.168.1.0/24 -i eth1 -j REDIRECT 8081

4. PC3 work very fine,it's can connect internet (Ex. send/ receive Email?A
Read News and
     Ftp download files ,no problem?C
    But PC2can't browser WWW?]PC2don't set proxy server ip at Outlook
express?^?A
    User(at 192.168.1.X)  that don't know webCache(139.175.1.5) proxy all
port 80

5. Anybody can Help me ,please?

Many Thanks

I am going to try to setup a NAT application in my Linux system which have
two network card similar to your PC2.

However, I don't have any idea how to setup the application. Please give me
some procedure how to do it.

Thank you!

Kai