Date: Sat, 08 Apr 2000 01:57:49 +0100 From: Brian Somers <brian@Awfulhak.org> To: Adrian Gonzalez <adrianbsd@globalpc.net> Cc: Brian Somers <brian@Awfulhak.org>, Thierry.Herbelot@alcatel.fr, isp@FreeBSD.ORG, Mark Knight <markk@knigma.org> Subject: Re: multi-PPP over UDP ? (was Re: Bandwidth aggregation (second try)) Message-ID: <200004080057.BAA05561@hak.lan.Awfulhak.org> In-Reply-To: Message from Adrian Gonzalez <adrianbsd@globalpc.net> of "Fri, 07 Apr 2000 19:32:09 CDT." <3.0.6.32.20000407193209.00914830@globalpc.net>
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> First off, thanks to all the people that replied. I've got PPP over UDP
> going now
Something you should be aware of about the current PPPoUDP
implementation - it's possible for an attacker to insert arbitrary
packets into your data stream (targeted at the ppp -direct side) as
PPPoUDP doesn't insist on the peer address (recvfrom() sockaddr)
staying the same. This is usually a bad thing.
I've been discussing the writing of a UDP multiplexor with Mark
Knight (cc'd) that can maintain multiple udp sessions in much the
same way as you *might* want inetd to handle sessions. There may
be a port appearing soon :-]
> At 06:46 PM 4/6/00 +0100, Brian Somers wrote:
> >> Hello
> >>
> >> There was a post by Brian Sommers (the PPP maintainer) about setting up
> a multi-link PPP server with PPP transported via UDP. This would be a cheap
> way to aggregate bandwidth.
> >>
> >> Things to do :
> >> - set up a PPP link over UDP between your two offices, one on each radio
> link
> >> - aggregate the two links with MPD (must be in the ports ...)
> >
> >ppp(8) does multi-link too.
--
Brian <brian@Awfulhak.org> <brian@[uk.]FreeBSD.org>
<http://www.Awfulhak.org>; <brian@[uk.]OpenBSD.org>
Don't _EVER_ lose your sense of humour !
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