[pptp-server] Authentication Problem

[Ely Zavin]

Hi,
I just installed pptpd-1.0.0 rpm on my Red Hat Linux 6.1.
I am also running pppd 2.3.11.
My pppd option file:
-detach
asyncmap
modem
crtscts
lock
login
require-pap
proxyarp
debug
ktune
When I connected to pptp server from my WinNT using the Accept any
authentication including clear text everything works fine: I was asked
for user ID and passwd and was authenticated when I supplied the right
one.
When I tried to use Accept only encrypted authentication I was
authenticated
even I supplied the wrong passwd. Follow is the part of my pptpd.log
file:

CTRL: Sent packet to client
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Received PPTP Control Message
(type: 7)
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Set parameters to 152 maxbps,
3 window size
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Made a OUT CALL RPLY packet
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Starting call (launching pppd,
opening GRE)
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: pty_fd = 5
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: tty_fd = 6
Jan 14 12:40:15 dial1 pptpd[16400]: CTRL (PPPD Launcher): Connection
speed = 115200
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: I wrote 32 bytes to the
client.
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Sent packet to client
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Received PPTP Control Message
(type: 15)
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Got a SET LINK INFO packet
with standard ACCMs
Jan 14 12:40:15 dial1 pptpd[16400]: CTRL (PPPD Launcher): local address
= 192.168.128.2
Jan 14 12:40:15 dial1 pptpd[16400]: CTRL (PPPD Launcher): remote address
= 192.168.129.2
Jan 14 12:40:15 dial1 pppd[16400]: pppd 2.3.11 started by , uid 0
Jan 14 12:40:15 dial1 pppd[16400]: Using interface ppp0
Jan 14 12:40:15 dial1 pppd[16400]: Connect: ppp0 <--> /dev/pts/1
Jan 14 12:40:15 dial1 pppd[16400]: sent [LCP ConfReq id=0x1 <asyncmap
0x0> <auth pap> <magic 0x6e2f4556> <pcomp> <accomp>]
Jan 14 12:40:15 dial1 pppd[16400]: rcvd [LCP ConfReq id=0x0 <magic
0x3b9d> <pcomp> <accomp> <callback CBCP> < 11 04 06 4e> < 13 09 03 00 a0
c9 71 16 be>]
Jan 14 12:40:15 dial1 pppd[16400]: sent [LCP ConfRej id=0x0 <callback
CBCP> < 11 04 06 4e> < 13 09 03 00 a0 c9 71 16 be>]
Jan 14 12:40:15 dial1 pppd[16400]: rcvd [LCP ConfNak id=0x1 <auth chap
m$oft>]
Jan 14 12:40:15 dial1 pppd[16400]: sent [LCP ConfReq id=0x2 <asyncmap
0x0> <magic 0x6e2f4556> <pcomp> <accomp>]
Jan 14 12:40:15 dial1 pppd[16400]: rcvd [LCP ConfReq id=0x1 <magic
0x3b9d> <pcomp> <accomp>]
Jan 14 12:40:15 dial1 pppd[16400]: sent [LCP ConfAck id=0x1 <magic
0x3b9d> <pcomp> <accomp>]
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Received PPTP Control Message
(type: 15)
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Ignored a SET LINK INFO packet
with real ACCMs!
Jan 14 12:40:15 dial1 pppd[16400]: rcvd [LCP ConfAck id=0x2 <asyncmap
0x0> <magic 0x6e2f4556> <pcomp> <accomp>]
Jan 14 12:40:15 dial1 pppd[16400]: sent [IPCP ConfReq id=0x1 <addr
192.168.128.2> <compress VJ 0f 01>]
Jan 14 12:40:15 dial1 pppd[16400]: sent [CCP ConfReq id=0x1 <deflate 15>
<deflate(old#) 15> <bsd v1 15>]
Jan 14 12:40:15 dial1 pppd[16400]: rcvd [LCP code=0xc id=0x2 00 00 3b 9d
4d 53 52 41 53 56 34 2e 30 30]

What I did wrong or it might be some bug.
Ely Zavin

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