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Date:      Tue, 19 Jun 2001 09:30:33 -0800
From:      Beech Rintoul <akbeech@anchoragerescue.org>
To:        Dan Armstrong <dan@beanfield.com>, freebsd-questions@FreeBSD.ORG
Subject:   Re: Urgent help with Reverse Lookups and FTPD
Message-ID:  <01061909303301.64018@galaxy.anchoragerescue.org>
In-Reply-To: <3B2F74D7.C057B32F@beanfield.com>
References:  <3B2F74D7.C057B32F@beanfield.com>

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On Tuesday 19 June 2001 07:50, Dan Armstrong wrote:
> We are a small ISP, and just turned up a new webserver running Free4.3
>
> Most of our customers live on private (192.168) addresses and I am
> getting slaughtered with phone calls that they cannot ftp into their
> sites, and it is because their ftp programs don't necessarily wait for
> Free's ftpd to timeout doing the reverse lookup, for an address that of
> course does not have any reverse information for it.  If I add their
> IP to the /etc/hosts BOOM they get in instantly.  These thousands of
> addresses are all dynamically assigned, so the hosts file fix is not
> possible on this scale.  Is there a way I can get it to stop? HELP!
>
> Dan.

You might want to look into Bind-9. This new version has the ability to do 
dynamic updates of your dns records from DHCP. You can find doccumentation on 
this in the bind-9 docs, or at ISC's website.  http://www.isc.org.

Beech
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