>>>>> "Dinesh" == Dinesh Gopinath <[EMAIL PROTECTED]> writes:
Dinesh> hi!, If i want to share the internet connection, is IP
Dinesh> Masquerading a must? Then what is proxying? I am confused
You need NAT for sharing internet connections. In a transparent proxy
the machine acts as if it is the one directly connected to the
internet (and not to the "proxy server").
from NAT howto
Destination NAT is when you alter the destination address of the first packet: i.e.
you are changing where the connection is going to. Destination NAT is always done
before routing, when the packet first comes off the wire. Port forwarding, load
sharing, and transparent proxying are all forms of DNAT.
While in case of proxy server, you have to tell the client programs
about the server to route packets through. Of proxy servers http proxy
servers are ubiquitous. They route only http packets (out going on
port 80), so if you are using a http proxy server you can't check your
mail at some pop server (atleast not unless your proxy server supports
other ports too)
Dinesh> abt these two. If IP masquerading works, then how can you
Dinesh> control the access for each user (not based on ip of
In that case i figure squid with it's acl would do the job, although
you should consider reading up on NAT, Transparent proxies, squid etc.
Try google, the information i can give you is limited in comparison.
hth
sukrit
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