Post by Ali Lahooti's Newgrou » Sun, 31 Dec 1899 09:00:00

Hello everybody,

Has anybody had any experience installing pptp "PoPToP v1.0.0" on a Red Hat
Linux 5.2 with a kernel version 2.0.36?  I have downloaded  "PoPToP v1.0.0",
"ppp-2.3.8.tar.gz", "ppp-2.3.8-mppe-others-norc4_TH7.diff.gz", and
"SSLeay-0.6.6b.tar.gz".  I have downloaded PPP 2.3.8 because I want to use
Microsoft compatible MSCHAPv2/MPPE authentication and encryption. The reason
for this is that the MSCHAPv2/MPPE patch is against PPP 2.3.8.  I know I
need to rebuild my kernel to upgrade my PPP version 2.2 to PPP version 2.38.
I have never rebuilt a kernel before.  What should be enabled/disabled or
what should I pay attention to while building a kernel to have PPP version
2.38 working properly.  Are there any instructions to go about this?  Your
help is greatly appreciated.




1. PopTop, VPN works on only some systems

Ok, I installed pptpd, kernel-mppe, and ppp >2.4.2 on my main system.

I have three systems behind a linux MASQ firewall. No ports are being
blocked, just MASQ going on to share the IP.

One of the three systems can vpn in to the main system 90% of the
time. The other two cannot at all.

When I compare the debug logs, I see that the successful one has an
GRE: Discarding duplicate packet

just as it is becomes successful. The failures always seem to have:
Dec 18 13:37:07 rh3 pppd[9818]: sent [LCP ConfReq id=0x1 <asyncmap
0x0> <auth chap MS-v2> <magic 0x814a1579> <pcomp> <accomp>]
Dec 18 13:37:31 rh3 last message repeated 8 times
Dec 18 13:37:34 rh3 pppd[9818]: LCP: timeout sending Config-Requests
Dec 18 13:37:34 rh3 pppd[9818]: Connection terminated.
Dec 18 13:37:34 rh3 pppd[9818]: Exit.


Anyone have any ideas about this?

Brian Andrus

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