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Date: Tue, 21 Oct 2003 12:38:59 -0700
From: Luigi Rizzo <rizzo@icir.org>
To: Mikel King <mikel.king@ocsny.com>
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	from mikel.king@ocsny.com on Tue, Oct 21, 2003 at 03:07:32PM -0400
cc: freebsd-net@freebsd.org
cc: atanu@ICSI.Berkeley.EDU
Subject: Re: Remote Boot
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On Tue, Oct 21, 2003 at 03:07:32PM -0400, Mikel King wrote:
> Just curious would it be better to add a rule to allowe 67 & 68 (tcp & 
> udp) in from the dhcp server instead of leaving the box all open? 
> Understand I've never attempted this booting a diskless, but it seems 
> like something worth trying....

all this happens before you have a chance to install an ipfw configuration
so what you suggest cannot be done unless you hardwire the rules
in the kernel (which you can't, at the moment; not that it couldn't
be done, ipfw2 is quite flexible in this respect, but the
feature is not implemented now).

	cheers
	luigi

> Atanu Ghosh wrote:
> 
> >>From my notes when trying to get diskless booting working:
> >
> > We usually have the firewall and dummynet enabled in our configs. The
> > default is therefore not to allow any packets in or out. This stops
> > the DHCP packets leaving a diskless kernel. Override this default.
> >
> >options         IPFIREWALL_DEFAULT_TO_ACCEPT
> >
> >	Atanu.