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Date:      Sun, 9 Dec 2001 19:28:05 -0600
From:      Glenn Johnson <glennpj@charter.net>
To:        Martin Kaeske <Martin.Kaeske@II.Stud.TU-Ilmenau.DE>
Cc:        stable@FreeBSD.ORG
Subject:   Re: machine can not see its own broadcast messages
Message-ID:  <20011210012805.GA1114@gforce.johnson.home>
In-Reply-To: <20011210020052.A5093@walnut.hh59.local>
References:  <20011208204520.GA738@gforce.johnson.home> <20011209225823.GA15339@gforce.johnson.home> <20011210020052.A5093@walnut.hh59.local>

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On Mon, Dec 10, 2001 at 02:00:52AM +0100, Martin Kaeske wrote:

> On Sun, Dec 09, 2001 at 04:58:23PM -0600, Glenn Johnson wrote:
>
> > > I started rwhod and I have the rmonitor port installed.  I ran
> > > tcpdump and can see the broadcasts but the system is not listening
> > > to them (apparently).  In the case of rwhod, no /var/rwho/whod
> > > file is being created.
>
> Hello,
> As far as I know, FreeBSD doesn't answer broadcasts by default.
> Maybe you want to set "sysctl -w net.inet.icmp.bmcastecho=1".
> Actually a Linux machine is the only one answering broadcasts
> in my LAN (FreeBSD and OpenBSD are quiet) ;).

The packets in question are UDP not ICMP.  No answering is needed, just
reading the packet and recording the information in the whod file in
/var/rwho for the rwhod case.

-- 
Glenn Johnson
glennpj@charter.net

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