At 10:09 AM 4/18/00 +0530, 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
Ok, it means that reverse lookup is correctly done inside your network.
But, are you sure that your servers are correctly seen from Internet?
So, you have to contact your ISP to do reverse mapping of your IP addresses.
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>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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