New Zealand ADSL Mailing List


RE: DNS pinholing

From: Juha Saarinen <juha_at_saarinen.org>
Date: Tue, 12 Dec 2000 15:27:09 +1300
Message-ID: <LNBBIBDBFFCDPLBLLLHFOEJBIOAA.juha@saarinen.org>

%-> I've had DNS working for a few months successfully, but I want to know
%-> why the protocol requires both a TCP and UDP connection to be pinholed
%-> on port 53. If anyone's got a handy RFC #, I'd be keen to have a look.

It doesn't -- UDP is for normal DNS functions, TCP is used for zone transfers[1]. You can get by with UDP only.

www.acmebw.com is a useful DNS resource.

-- Juha

[1] Simplified pedant bait.

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Received on Tue Dec 12 15:26:11 2000


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