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Date:      Wed, 9 Jun 2004 05:48:51 +1000
From:      Peter Jeremy <PeterJeremy@optushome.com.au>
To:        Jonathan Weiss <tomonage2@gmx.de>
Cc:        current@freebsd.org
Subject:   Re: Loading the PF ruleset fails due to ppp
Message-ID:  <20040608194851.GD1596@cirb503493.alcatel.com.au>
In-Reply-To: <BCE8C291.14A4D%tomonage2@gmx.de>
References:  <BCE8C291.14A4D%tomonage2@gmx.de>

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On Sun, 2004-Jun-06 12:46:09 +0200, Jonathan Weiss wrote:
>The problem is, that ppp is not fast enough for PF. PF is starting up before
>ppp gets an IP for tun0, so loading the ruleset fails. While using the
>PF-port, the time lag between starting ppp and PF was big enough, as PF was
>started whith the other third-party tools. With PF now in the basesystem, it
>is too fast for ppp.
...
>Could we add the "sleep 10" or maybe a "sleep 5" in this function? I'm sure
>when current become 5.3 I'll be not alone with my problem.

I disagree with this "solution".  Whilst a 5 or 10 second sleep may work
for you today, it may not work tomorrow (when your ISP's servers are
a bit busier).  It is unlikely to be appropriate for everyone.

It shouldn't be too difficult to force the rc.d scripts to synchronise
to the PPP link:
1) Create a "ppp.linkup" that creates a flag file somewhere
2) Create a rc.d script with "after ppp, before pf" (or whatever)
   that waits for the flag file to appear (and then deletes it):
	until [ -f /flag/file ] ; do sleep 1 ; done
   (add error checking to suit)
-- 
Peter Jeremy



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