IP masquerading in Linux

[Victor Tsaran]

Thanks a lot.
Vic

----- Original Message -----
From: "Sebastian Taralunga" <seba at tcx.ro>
To: <speakup at braille.uwo.ca>
Sent: Saturday, March 25, 2000 4:38 AM
Subject: Re: IP masquerading in Linux


> Hello Victor,
>
> You have to specify a nameserver for the clients. IP
> masquerading simply means that the gateway passes all
> requests to the outside world and knows how to handle back
> the responses. If you do not specify a nameserver, the
> clients simply do not know whom to send their
> name-resolution requests...
>
> If you want to have the name-server handle your DNS requests
> as well you will have to either install a name-server on the
> gateway or to use transparent proxy and redirect (using
> ipchains) all the DNS requests from the clients to the
> appropriate name-servers.
>
> Best Regards,
>
> Sebastian
> ___________________________________________________________
> Office: (+40)/1/6.504.430             Mob: (+40)/92/202.086
> Snail:  Sebastian Taralunga, C.P. 13-20, Bucharest, Romania
> E-mail: seba at tcx.ro                  WWW: http://www.tcx.ro
>
> On Sat, 25 Mar 2000, Victor Tsaran wrote:
>
> > Hello, listers!
> > I know some of you already setup IP masquerading on your machines,
therefore
> > a question. Did you have to specify DNS servers for both client and the
> > server or just for the server? Initially, I thought that once the
serverhas
> > a list of search domains, the client shouldn't care about them, it just
> > sends IP packets out to the server. Server forwards them to the output
> > chain. Apparently, it looks as though client also needs to have a DNS
entry
> > to be able to convert names into IP addresses, which are then sent to
the
> > server anyway. WIndows98 Second Edition resolved this problem by letting
the
> > client specify only the address of a gateway, yes, even in the DNS
field,
> > gateway knowing its own search domains, figures out on its own how to
> > convert names into IP's.
> > Perhaps I am doing something wrong here?
> >
> > Regards,
> > Vic
> >
> >
> >
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>
>
>
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