Hello everybody,
I encountered a very strange problem and
I hope you can help me.
I decided to try PoPToP 1.0.0 - pptp server for linux -
on RH 6.1 running 2.2.13 kernel and pppd 2.3.11
(without MSCHAPv2 and MPPE 40-128 bit RC4 encryption
patches).
/etc/pptp.conf file is:
option /etc/ppp/options.server
debug
localip 192.168.128.2-30
remoteip 192.168.129.2-30
/etc/ppp/options.server file is:
-detach
asyncmap 0
modem
crtscts
idle 720
lock
require-pap
refuse-chap
login
proxyarp
ms-dns 192.168.128.1
ms-dns 192.168.128.35
ms-wins 192.168.128.36
debug
ktune
Just to test how everything will work
both Linux server and NT 4.0 client were
connected through the ethernet.
When NT client is configured with
"Accept any authentication including clear text"
everything is working as expected: only valid
user/password pairs are getting logged in.
When NT client is configured with
"Accept only encrypted authentication"
pppd is not doing any authentication
at all - absolutely everybody is welcomed!
pptpd launches pppd, which sends <auth pap>
to client, but then receives <auth chap m$oft>
and that's it. (see log file below).
What I'm doing wrong?
Thank you very much for your help,
Matt
Jan 14 12:40:15 dial1 pptpd[16399]: MGR: Launching /usr/sbin/pptpctrl to handle
client
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: local address = 192.168.128.2
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: remote address = 192.168.129.2
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: pppd options file =
/etc/ppp/options.server
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Client 198.138.97.112 control
connection started
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Received PPTP Control Message (type:
1)
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: Made a START CTRL CONN RPLY packet
Jan 14 12:40:15 dial1 pptpd[16399]: CTRL: I wrote 156 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:
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 0\
0 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]
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