From mboxrd@z Thu Jan 1 00:00:00 1970 From: Samuel =?iso-8859-1?B?RO1heiBHYXJj7WE=?= Subject: Re: nat and dns Date: Thu, 23 Sep 2004 15:01:11 +0200 Sender: netfilter-bounces@lists.netfilter.org Message-ID: <20040923130111.15119.qmail@arcoscom.com> References: <415290B1.5030401@imag.fr> <20040923103428.GK27327@metastasis.org.uk> <20040923110943.14715.qmail@arcoscom.com> <20040923112331.GL27327@metastasis.org.uk> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20040923112331.GL27327@metastasis.org.uk> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: Netfilter Mailing List Sorry, you've reason. But I answered that to simplify and thinking about = an internal DNS server that only have the intranet names in it and the exter= nal queries are redirected throw external servers. Sorry again. Nick Drage writes: > On Thu, Sep 23, 2004 at 01:09:43PM +0200, Samuel D=EDaz Garc=EDa wrote: >> For DNS query only UDP is necesary, not TCP. > > Heh, that's such a common misconception that I almost mentioned it in m= y > original email. Most DNS queries take place over UDP, however if the > reply to the query is especially large then a new TCP connection is > opened between the client and server. Also zone transfers take place > over TCP IIRC, it depends what kind of functionality the DNS server wil= l > be providing. > > -- > mors omnia vincit > Samuel D=EDaz Garc=ED=ADa Director Gerente ArcosCom Wireless, S.L.L. mailto:samueldg@arcoscom.com http://www.arcoscom.com m=F3vil: 651 93 72 48 tlfn/fax: 956 70 13 15