Date: Mon, 14 Mar 2005 22:21:01 +0100 From: Roman Neuhauser <neuhauser@chello.cz> To: Jon Drews <jon.drews@gmail.com> Cc: FreeBSD Ports <freebsd-ports@freebsd.org> Subject: Re: Why does Xfce 4.2 have to query a DNS ? Message-ID: <20050314212101.GB4665@isis.sigpipe.cz> In-Reply-To: <8cb27cbf050314131526d38ba1@mail.gmail.com> References: <8cb27cbf05031211126ca5f67d@mail.gmail.com> <20050314183452.GA13267@nowhere> <8cb27cbf050314115632893e85@mail.gmail.com> <20050314203741.GB13267@nowhere> <8cb27cbf050314131526d38ba1@mail.gmail.com>
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# jon.drews@gmail.com / 2005-03-14 14:15:19 -0700:
> Craig:
>
> I just did tcpdump -i tun0 'udp and port domain'
>
> notebook2# tcpdump -i tun0 'udp and port domain'
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on tun0, link-type NULL (BSD loopback), capture size 96 bytes
> 14:11:12.602265 IP 37.denver-03rh15rt.co.dial-access.att.net.52763 > ns7.worldnet.att.net.domain: 54055+ AAAA? gmail.google.com. (34)
> 14:11:12.747917 IP 37.denver-03rh15rt.co.dial-access.att.net.55104 > ns7.worldnet.att.net.domain: 38507+ PTR? 3.160.127.204.in-addr.arpa. (44)
> 14:11:12.880879 IP ns7.worldnet.att.net.domain > 37.denver-03rh15rt.co.dial-access.att.net.52763: 54055 1/1/0 CNAME[|domain]
> 14:11:12.881012 IP 37.denver-03rh15rt.co.dial-access.att.net.50931 > ns7.worldnet.att.net.domain: 54056+ A? gmail.google.com. (34)
>
> I see that the domain names are A and AAAA ? I have seen this
> before, when I am at the WiFi cafe. How could this be?
It's not domain names, it's Resource Record types.
The above snippet shows your computer querying ns7.worldnet.att.net.
for IPv6 address(es) of gmail.google.com., name of 204.127.160.3,
and the IPv4 address(es) gmail.google.com.
Please don't wrap computer output.
--
How many Vietnam vets does it take to screw in a light bulb?
You don't know, man. You don't KNOW.
Cause you weren't THERE. http://bash.org/?255991
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