Date: Mon, 09 Jun 2008 21:23:36 -0500 From: Derek Ragona <derek@computinginnovations.com> To: Jake Evans <jakeevans@ircds.com>, freebsd-questions@freebsd.org Subject: Re: no reverse DNS causing connectivity problems Message-ID: <6.0.0.22.2.20080609212259.025c03e0@mail.computinginnovations.com> In-Reply-To: <20080609205426.N23640@awww.jeah.net> References: <20080609205426.N23640@awww.jeah.net>
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At 08:57 PM 6/9/2008, Jake Evans wrote:
>[Please cc in replies, not currently subscribed. Thank you.]
>
>I have a quick question that I can't seem to find an answer to via Google
>so far.
>
>I've had a few people complain that when they telnet/ssh/ftp/web to our
>server, it's slow... I've traced the problem to them having no reverse on
>their IPs.
>
>So basically their connection kinda hangs while the system waits to
>timeout on looking up their IP's reverse.
>
> From what I can tell, I should be able to just set "options timeout:n"
> and "options attempts:n" in resolv.conf.. BUT it seems FBSD's install
> doesn't allow you to do this.
>
>Does anyone know a workaround to this? I thought maybe of changing it
>directly in resolv.h but then I'd have to rebuild world I think..? Is
>there perhaps a sysctl solution?
>
>Thank you so much for your time.
set UseDNS to no in /etc/sshd_config
-Derek
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