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Message-ID: <19971112211541.08486@scsn.net>
Date: Wed, 12 Nov 1997 21:15:41 -0500
From: "Donald J. Maddox" <root@scsn.net>
To: Brian Somers <brian@awfulhak.org>
Cc: Johan Granlund <johang@mail.algonet.se>, current@FreeBSD.ORG
Subject: Re: ppp and ascend router problems
Reply-To: dmaddox@scsn.net
References: <199711122212.OAA14636@hub.freebsd.org> <199711130105.BAA08951@awfulhak.demon.co.uk>
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In-Reply-To: <199711130105.BAA08951@awfulhak.demon.co.uk>; from Brian Somers on Thu, Nov 13, 1997 at 01:05:23AM +0000
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On Thu, Nov 13, 1997 at 01:05:23AM +0000, Brian Somers wrote:
> > Nov 12 22:35:05 phoenix ppp[621]: tun0: HDLC:  00 00 03 04 
> > c0 23 07 02 08 02 13 09 03 00 c0 7b
> > Nov 12 22:35:05 phoenix ppp[621]: tun0: HDLC:  5f d3 10 50 aa 
> > Nov 12 22:35:05 phoenix ppp[621]: tun0: LCP: Received Configure Request (1) 
> > state =Req-Sent (6)
> > Nov 12 22:35:05 phoenix ppp[621]: tun0: LCP:  MRU 1524 
> > Nov 12 22:35:05 phoenix ppp[621]: tun0: LCP:  ACCMAP 000a0000
> > Nov 12 22:35:05 phoenix ppp[621]: tun0: LCP:  AUTHPROTO proto = c023
> > Nov 12 22:35:05 phoenix ppp[621]: tun0: LCP:  PROTOCOMP
> > Nov 12 22:35:05 phoenix ppp[621]: tun0: LCP:  ACFCOMP
> > Nov 12 22:35:05 phoenix ppp[621]: tun0: LCP:  ???[13]
> 
> The peer has just violated the ppp protocol by asking for a [13] 
> again :-(

    I get this sequence from my ISP, too...  The 13 bytes that PPP doesn't
seem to like appear to be an attempt to negotiate STAC compression, when
you look at the actual contents of the packets.