From owner-freebsd-questions@FreeBSD.ORG  Tue Oct 25 17:50:26 2005
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Date: Tue, 25 Oct 2005 21:50:25 +0400
From: "Andrew P." <infofarmer@gmail.com>
To: Mohan Singh <mohansingh68@gmail.com>
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References: <48d803190510250633k93e3934n7f1dd2bca493e21e@mail.gmail.com>
Cc: freebsd-questions@freebsd.org
Subject: Re: telnetting/netcatting into a DNS server?
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On 10/25/05, Mohan Singh <mohansingh68@gmail.com> wrote:
> Whenever I need to test a mail/ssh/web server, I usually just telnet or n=
c
> into the appropriate port, i.e.:
>
>    $ echo "GET / " |nc -v yahoo.com 80
>
>    $ nc -v localhost 22
>    Connection to localhost 22 port [tcp/ssh] succeeded!
>    SSH-1.99-OpenSSH_4.2
>
> How would I connect to a nameserver and talk to it so I can know it is
> working? I get as far as connecting to the port, but I don't know how to
> make it send back anything meaningful.
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Why don't you read the netcat manpage for starters?