[pptp-server] Kernel-2.4.18-0.4 and PPTP Problem.

[Vishal Bhangdia]

Hi All,

I install RedHat Linux 7.2 on my system and upgrade the kernel to Kernel-2.4.18-0.4. I applied the patch  linux-2.4.16-openssl-0.9.6b-mppe.patch.gz  to it. I compiled the kernel and Installed it. I also applied the patch to PPP for MPPE support and mschap-v2 support and installed it. 

The Problem is when I VPN to my server it reboot I looked in syslog I am unable to find any problem.  I got other box running with kernel-2.4.15 and it work fine with same configuration. I want to know is there any bug in kernel-2.4.18. The resion I want to upgrade kernel as I want to install IPSEC and freeS/WAN reported kernel-2.4.15 has some bugs. Pl. Help me in solving my problem. 

Sorry for my English.
Thanks 

---
Vishal Bhangdia


Here is the syslog

Mar 22 15:29:05 fire pptpd[1067]: CTRL: Client X.X.X.X control connection started
Mar 22 15:29:05 fire pptpd[1067]: CTRL: Starting call (launching pppd, opening GRE)
Mar 22 15:29:05 fire pppd[1068]: pppd 2.4.1 started by root, uid 0
Mar 22 15:29:05 fire pppd[1068]: Using interface ppp0
Mar 22 15:29:05 fire pppd[1068]: Connect: ppp0 <--> /dev/pts/1
Mar 22 15:29:05 fire pptpd[1067]: Buffering out-of-order packet; got 1 after 4294967295
Mar 22 15:29:05 fire pptpd[1067]: Packet reorder timeout waiting for 0
Mar 22 15:29:05 fire pptpd[1067]: Buffering out-of-order packet; got 2 after 0
Mar 22 15:32:28 fire syslogd 1.4.1: restart.

I turn on Debug in /etc/ppp/option. Here is the debug 

Mar 22 15:29:05 fire pppd[1068]: pppd 2.4.1 started by root, uid 0
Mar 22 15:29:05 fire pppd[1068]: using channel 1
Mar 22 15:29:05 fire pppd[1068]: Using interface ppp0
Mar 22 15:29:05 fire pppd[1068]: Connect: ppp0 <--> /dev/pts/1
Mar 22 15:29:05 fire pppd[1068]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap 81> <magic 0x674f96ff> <pcomp> <accomp>]
Mar 22 15:29:05 fire pppd[1068]: rcvd [LCP ConfReq id=0x1 <magic 0x4c0e1e3> <pcomp> <accomp>]
Mar 22 15:29:05 fire pppd[1068]: sent [LCP ConfAck id=0x1 <magic 0x4c0e1e3> <pcomp> <accomp>]
Mar 22 15:29:05 fire pppd[1068]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <auth chap 81> <magic 0x674f96ff> <pcomp> <accomp>]
Mar 22 15:29:05 fire pppd[1068]: cbcp_lowerup
Mar 22 15:29:05 fire pppd[1068]: want: 2
Mar 22 15:29:05 fire pppd[1068]: sent [CHAP Challenge id=0x1 <ae7b56c24cb4aedf344ad09c3c8dcce0>, name = "fire.XXXXX.com"]
Mar 22 15:29:05 fire pppd[1068]: rcvd [CHAP Response id=0x1 <1e9fe6a317042db9c66b6482c53784fa00000000000000004d6d8b86e259daf50932e9584dede41c85e7ef090376959204>, name = "DOMAIN01\\test"]
Mar 22 15:29:05 fire pppd[1068]: sent [CHAP Success id=0x1 "S=491CA83502A9043505FB731E52CBAB5EED080D14"]
Mar 22 15:29:05 fire pppd[1068]: sent [IPCP ConfReq id=0x1 <addr 10.1.254.254> <compress VJ 0f 01>]

Here is my /etc/ppp/options

lock
debug 6
-chap
+chapms
+chapms-v2
mppe-40
mppe-128
mppe-stateless
ms-wins 10.1.1.1
ms-wins 10.1.1.2
ms-dns 10.1.1.1

Here is my /etc/pptpd.conf

option /etc/ppp/options.pptp
debug
localip 10.1.254.254
remoteip 10.1.3.1-50

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