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FTP login delay?

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The Question is:

 
We have 1 Alpha running openVMS v7.2-1 and 2 older VAX systems.
 
From any PC running windows 95/98/NT and even macintosh systems, when I ftp to
 the 2 VAX systems I get the username prompt immediatly.  When I try to ftp to
 the Alpha box I have to wait almost a minute before I get the username prompt.
  I also tried using
 just the ip address instead of the hostname and still the same thing occurs
 (ex: ftp 10.1.0.17 vs ftp alpha.mydomain.com).  I think it may have something
 to do with reverse DNS.
 
My question is can I disable the ftp server running on the Alpha from
 performing and reverse dns lookup for the client trying to connect.  I do not
 wish to create a hosts entry in our internal DNS server for every client
 wishing to ftp to the Alpha?

The Answer is :

 
  Please contact the Compaq Customer Support Center, as it would
  appear there is a problem with the IP stack or with the local
  network configuration.
 
  Expect to be asked details of the IP stack in use, including the
  version and ECO level.  (V5.0A ECO 1 or later prefered.)  Also
  expect to be asked details of the local network configuration.
 

  
     
     answer written or last revised on ( 5-FEB-2001 )
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