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Date:      Fri, 15 Jun 2007 17:06:40 +0100
From:      RW <fbsd06@mlists.homeunix.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: pf(4) + fetch(1) + http://ftp.gnu.org
Message-ID:  <20070615170640.1ea15927@gumby.homeunix.com.>
In-Reply-To: <da7069940706141336y25371e4cq5769beb2fa5208e3@mail.gmail.com>
References:  <da7069940706141336y25371e4cq5769beb2fa5208e3@mail.gmail.com>

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On Thu, 14 Jun 2007 23:36:40 +0300
"Vlad GURDIGA" <gurdiga@gmail.com> wrote:

> Hello,
> 
> There is one strange thing going on with this combination. I saw this
> many times by now: when fetch(1) is trying to download something from
> http://ftp.gnu.org, it is hanging after a very small amount of data;
> sometimes on 0%. After disabling pf(4), fetch(1) is not hanging any
> more, so I guess that the problem is somewhere in my pf.conf. Here is
> ...
> pass in inet proto icmp all icmp-type $icmp_types keep state
> pass out on $ext_if proto tcp all modulate state flags S/SA

Try replacing modulate with keep. I had a similar problem and that
fixed it for me. 

I don't think that modulate gives you any benefit unless you have very
old, unpatched OS's behind the firewall.



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