Date: Mon, 19 Nov 2001 02:18:02 -0800 From: "Crist J. Clark" <cristjc@earthlink.net> To: Brendan Kosowski <brendan@bmk.com.au> Cc: FreeBSD Networking <freebsd-net@FreeBSD.ORG> Subject: Re: Services very slow on Firewall/nat boxes. Message-ID: <20011119021802.N69555@blossom.cjclark.org> In-Reply-To: <Pine.BSF.3.96.1011119202156.39549A-100000@garfield.bmk.com.au>; from brendan@bmk.com.au on Mon, Nov 19, 2001 at 08:45:11PM %2B1100 References: <Pine.BSF.3.96.1011119202156.39549A-100000@garfield.bmk.com.au>
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On Mon, Nov 19, 2001 at 08:45:11PM +1100, Brendan Kosowski wrote:
>
> I am running natd on a FreeBSD box with IPFIREWALL and IPDIVERT added to
> the kernel. Firewall type is open.
>
> I have noticed that when you run a server (eg. sendmail, named, pop3 etc.)
> on the above, initial connection to the service is very slow (ie. between
> 5 and 60 seconds ), however once connection has been established data
> transfer becomes very fast (as per normal).
>
> If I disable natd and replace kernel with original, initial connection to
> services is very fast.
DNS. Your machine is timing out making DNS queries.
--
Crist J. Clark | cjclark@alum.mit.edu
| cjclark@jhu.edu
http://people.freebsd.org/~cjc/ | cjc@freebsd.org
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