> -----Original Message-----
> From: Chris Buechler [mailto:cbuechler at gmail dot com]
> Sent: 04 March 2005 05:10
> To: Manuel Kasper
> Cc: m0n0wall at lists dot m0n0 dot ch
> Subject: [m0n0wall] 1.2b6 traffic shaper PPTP breakage
> On Thu, 03 Mar 2005 22:05:50 +0100, Manuel Kasper <mk at neon1 dot net> wrote:
> > On 03.03.2005 15:36 -0500, Chris Buechler wrote:
> > > A whole lot of us are having some sort of problems with it. It's
> > > not the traffic getting dropped, I can telnet to 1723 on my m0n0
> > > box, but PPTP won't successfully connect. Full logs from mpd from
> > > a single connection attempt from an XP client at the bottom of this
> > > message. Client gets error 619.
> > > Mar 3 15:32:01 mpd: [pt0] error writing len 42 frame to bypass:
> > > Can't assign requested address
> > And this is the problem (I think). I've had that happen a single time
> > when I was testing PPTP VPN in 1.2b5, but couldn't reproduce it
> > again. I searched the MPD mailing list and Google, but to no avail.
> > Could be triggered by some changes to netgraph in 5.3-RELEASE...
> > Maybe someone could place a post on the MPD mailing list to ask if
> > that's a known problem.
> 1 - I'm an idiot. :) My problem description was totally wrong. The
> error above is caused by NAT implementations that aren't setup
> properly for, or don't work with PPTP. Sorry for the confusion.
> 2 - The real problem is with traffic shaper enabled, and any traffic
> shaping rules inbound on WAN matching * proto, * src and * dst,
> m0n0wall no longer answers on port 1723 at all.
> To replicate: Enable magic shaper with default rules, enable PPTP,
> try to telnet to 1723 on WAN. Won't work. PPTP will work from LAN.
> Disable the rules "m_Small Pkt Download" and "m_Catch-All Download"
> (only two that match previous criteria) and it will immediately work
> Nothing in the logs or netstat when trying to connect with any rules
> matching the above criteria enabled. tcpdump on the WAN side of
> m0n0wall shows the traffic coming in, and absolutely nothing going out
> in return.
> Thanks to Brian Zushi (a.k.a. D-side) for helping me test and verify
> this on a second system.
> Hopefully that's more helpful!
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I can confirm that this works.