Date: Wed, 03 Jun 1998 22:28:27 -0700 From: Mike Smith <mike@smith.net.au> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: Nicolas.Souchu@prism.uvsq.fr (Nicolas Souchu), freebsd-hackers@FreeBSD.ORG, mbouget@club-internet.fr Subject: Re: tftp in bootp process Message-ID: <199806040528.WAA00537@antipodes.cdrom.com> In-Reply-To: Your message of "Thu, 04 Jun 1998 04:40:27 %2B0200." <199806040240.EAA08571@labinfo.iet.unipi.it>
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> > Hi there,
> >
> > Is /tftpboot/cfg.X.X.X file really usefull in the bootp process?
> >
> > /etc/bootptab already contains rootfs, swapfs and so on...
> >
> > A identification/security issue?
>
> tftp is not used anymore in the diskless boot process. Unfortunately the
> documentation (especially, the handbook) has not been updated. The
> best source of documentation is the netboot(8) manpage.
Ah, last time I looked at the netboot sources, it still fetched and
read the configuration file. The netboot(8) manpage was stolen from
NetBSD and never updated. It doesn't describe the (primitive, Sun
-inspired) NetBSD diskless environment very well, and its applicability
to FreeBSD is even less. I quote from netboot(8) just for perspective:
In phase 2, the boot program loads a kernel. Operation in this phase de-
pends on the design of the boot program. (The design described here is
the one used by Sun and NetBSD/hp300.) The boot program:
I can't imagine what this manpage is doing apart from confusing people.
I wouldn't want to recommend the FTL AppNotes collection just yet (with
a grand total of two notes), but they *do* both apply, reasonably
accurately, to booting diskless FreeBSD systems, and they do cover the
use of both pure BOOTP and mixed BOOTP/TFTP configuration.
http://www.freebsd.org/~msmith/FTL/appnotes
--
\\ Sometimes you're ahead, \\ Mike Smith
\\ sometimes you're behind. \\ mike@smith.net.au
\\ The race is long, and in the \\ msmith@freebsd.org
\\ end it's only with yourself. \\ msmith@cdrom.com
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