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Re: FTP site

On Sun, 17 May 1998, Nathan E Norman wrote:

> Uh, no.  Most ISPs do something like "nobody.netblock.isp.com" - that's
> why the lookup fails.  If they did it right, it would work everytime, no
> matter what hostname the user has set.
> Why?  Well, let's examine what happens ...
> You connect to the server.  The server now has your IP address.  It does
> a reverse lookup on that address.  It then does a FORWARD lookup on the
> answer it got from the reverse lookup.  We have a NAT pool here ... so
> the IP address might resolve to
> pc-219.pix-pool1.midco.net. Luckily for MidcoNet users :),
> pc-219.pix-pool1.midco.net does in fact resolve to  If
> it doesn't, there's not a damn thing the user can do, sorry.

Well that is true, if they are setting a PTR to a nonexistant hostname,
they have broken DNS and deserve to have all kinds of problems.

George Bonser

Microsoft! Which end of the stick do you want today?

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