[pptp-server] Conection works, but get Protocol-Reject when trying to send packets

[Jerry Fields]

Some other people on this list appear to have seen
similar problems to this. 
After some amount of work, I've gotten a connection up
via PPTP and the routing tables setup.
Everything looks good, but I'm unable to send packets.

I sent the debugging messages to a file via
syslog.conf
and notice the following messages everytime I attempt 
to send a packet.

Mar  4 20:54:14 foo pppd[2719]: rcvd [LCP ProtRej
id=0x8 94 e9 14 d5 46 73 50 f7 a0 de 9f 45 7c 25 6b 8d
df f1 8a 63 50 b2 c4 06 dc c1 a8 0b 7a 42 81 f0 f0 c5
e0 6e cf 21 d0 fa 2b d9 42 1f 0d ba 0c 38 0c df a4 81
4f 43 97 d1 84 ae 77 8b 48 d4 33 db b3 52 7b 64 5d 91
8a ba bc 98 78 da ac
Mar  4 20:54:14 foo pppd[2719]: Protocol-Reject for
unsupported protocol 0x94e9
Mar  4 20:54:21 foo pppd[2719]: rcvd [LCP ProtRej
id=0x9 ee 7a 4b 43 92 d4 7e c9 df d0 03 a1 3f 91 4a 8e
10 b6 cb df 49 c7 31 5b 00 ab d1 4d 54 6c 25 11 1f 46
8e fb 27 8e 39 4c 1f b8 8a 81 04 b9 3b b7 81 3c 69 2b
9d 4a 75 c5 ef af 94 f8 dd 49 14 b9 4d 0a 2f 3c b6 af
da 55 68 84 fd 4f 62
Mar  4 20:54:21 foo pppd[2719]: Protocol-Reject for
unsupported protocol 0xee7a

I'm pretty sure that my routing table is setup
correctly since I've run ethereal on ppp0 and I can
see
all my outgoing packets. No incoming packets show up.

One annying thing is that when I add "record /tmp/foo"
to my /etc/ppp/options file, the connection always
fails.
So I can't capture the raw PPTP packets.

I'm behind a Linux Masq firewall and I've applied the
GRE patch
and I've established a connection to the server from
a WinNT client behind the firewall.

I've also tried appling the patch to pptp.c suggested
in this web page:
http://personal.rdu.bellsouth.net/rdu/t/a/tayljl/linux-pptp-client/linux-pptp-client-setup.html

I'm running ppp-mppe-2.3.11-10 from a rpm and at first
I tried pptp-linux-1.0.2-8 but then re-built
pptp-linux
from the soruce with the above patch.

  __Jerry Fields

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