I am running my application (the application
needs Internet acess) on one of my client machine in a
LAN, both the client and the server run Redhat, the server is
with squid for proxy purpose, I have the following problem:

If I run my applcation directly on my server, it works well;
but if I run it on any of my clients, it stops working

- I do not know how to configure my client machine to make
the application work? One example is Mozilla, if I do not configure
its proxy setting, it can never work on a client behind behind squid

I am seeking a solution that is not to configure my application, instead
configuring my local Redhat, any points?

Thx,
HTM

how to configure squid so that no client side configuration is needed?

My current squid confifuration needs client side configuration by
specifiying server IP and port number
Thx,

>how to configure squid so that no client side configuration is needed?

You can't. There is no magic way for other machines to know the ip address and port of the proxy.

I seem to recall there is an enviroment variable you can set that tells programs such as lynx what the local web proxy is. Of course that only works with programs that support proxys and knwo about that enviroment variable.

The best solution is probably to use a NAT instead of a proxy.