• Subject: Re: FTP connect
  • From: "Patrick Townsend" <patownsend@xxxxxxxxxxxxxx>
  • Date: Thu, 4 Jan 2001 17:10:17 -0800
  • Organization: Patrick Townsend & Associates Inc

Scott,

I actually asked IBM if the FTP was doing a lookup on the client IP address
or name and the answer was a definitive "no". We had several customers
experience this same problem. However, the FTP server does do a lookup on
the AS/400 name. I can't remember why, but if it can't find it, there will
be this 30 second delay.

Patrick
---
IBM AS/400 communications, FTP automation, and eCommerce
software and consulting services.

http://www.patownsend.com

----- Original Message -----
From: "Scott Klement" <klemscot@klements.com>
To: <MIDRANGE-L@midrange.com>
Sent: Thursday, January 04, 2001 3:56 PM
Subject: Re: FTP connect


>
> You may not be doing a DNS lookup on your AS/400's IP address... but as
> soon as you connect the AS/400 is taking YOUR IP address and using DNS to
> find out the name of your client.
>
> This is pretty standard with any internet service anywhere.
>
> If the PC (or whatever) that you're coming FROM isn't set up with proper
> reverse-DNS entries, there will be a 30 second pause until the lookup
> times out.   This might be what you're experiencing.
>
> Trying adding your PC (or whatever you're coming from) into the AS/400's
> host table with CFGTCP option 10, and see if that solves the problem.
>
> On Thu, 4 Jan 2001, Leif Svalgaard wrote:
>
> > I use the IP address directly:
> > e.g.: ftp 65.123.195.31
> > so no DNS
> >
>
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