Hi Anand,
Check whether the server you have set up as DNS is actually the
authoritative server for your domain and is accessible from outside (eg
through your firewall), and is registered with the next higher level. Also
check whether you're using two sets of IP addresses for your local network
and the Internet (then you will need two sets of lookup files)
Indraneel
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# Indraneel Majumdar # E-mail: [EMAIL PROTECTED] #
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On Tue, 18 Apr 2000, S.Anand Kr wrote:
> Hi,
>
> I have got a Linux based DNS setup for our network. Using NSLOOKUP,
> setting my domain server as server and entering one of our servers' IP I am
> getting the name of my server back and vice-versa. This shows that reverse
> IP mapping is correctly configured.
>
> But when I am trying to ftp "ftp.tislabs.com" getting the following mesg.:
>
> " $ ftp ftp.tislabs.com
> Connected to portal.gw.tislabs.com
> 520 - This FTP server required the ability to perform reverse DNS
> lookups on all addresses connecting to it.
> We cannot perform this on the currect connection.
> 421 Service not available, remote server has colosed connection.
> "
> Kindly rectify where the problem can be.
>
> With regards,
> Anand
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Anand Kr Sudabattula, Programmer
> Department of Computer Sc. & Engg.
> Motilal Nehru Regional Engineering College, Allahabad-211004, India
> E-mail: [EMAIL PROTECTED]
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
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