Date: Sat, 14 Oct 2000 15:52:54 -0700 From: "Crist J . Clark" <cjclark@reflexnet.net> To: Martin Bartelds <bts@iaehv.nl> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@FreeBSD.ORG> Subject: Re: Double reverse lookup: OFF !!!! Message-ID: <20001014155254.A25121@149.211.6.64.reflexcom.com> In-Reply-To: <20001014194007.0A7097D99@iaehv.iae.nl>; from bts@iaehv.nl on Sat, Oct 14, 2000 at 09:39:50PM %2B0200 References: <20001014194007.0A7097D99@iaehv.iae.nl>
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On Sat, Oct 14, 2000 at 09:39:50PM +0200, Martin Bartelds wrote:
> Some of my customers can't connect to my 4.1 system with anonymous ftp.
>
> When it happens, I do get an error message on the console:
> "Can't verify hostname: getaddrinfo(....., AF_INET) failed."
>
> As far as I know, this is the paranoid double reverse lookup which fails to
> match the IP-number with the hostname.
>
> I do not want to let my customers stumble on this.
> How can I turn this off ? I did have a look in the ftpd & inetd
> daemon-sources, but did not find anything about it.
>
>
> Any Idea ?
It's the TCP wrapper. If you want to find the source, look in
/usr/src/contrib/tcp_wrappers. What's in your /etc/hosts.{allow,deny}?
--
Crist J. Clark cjclark@alum.mit.edu
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