[Samba] ppp winbind type 5 error

[Marcos Ferreira da Silva]

I'm having a trouble.

I use winXP to connect through L2TP/IPsec to one Linux server.
When I try to connect in my domain appear an error at log.

Plugin winbind.so loaded.
WINBIND plugin initialized.
using channel 36
Using interface ppp1
Connect: ppp1 <--> /dev/pts/3
sent [LCP ConfReq id=0x1 <mru 1410> <asyncmap 0x0> <auth chap MD5>
<magic 0x564e3dc9> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x0 <mru 1400> <magic 0x17201f33> <pcomp> <accomp>
<callback CBCP>]
sent [LCP ConfRej id=0x0 <callback CBCP>]
rcvd [LCP ConfAck id=0x1 <mru 1410> <asyncmap 0x0> <auth chap MD5>
<magic 0x564e3dc9> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <mru 1400> <magic 0x17201f33> <pcomp> <accomp>]
sent [LCP ConfAck id=0x1 <mru 1400> <magic 0x17201f33> <pcomp> <accomp>]
sent [CHAP Challenge id=0x97 <7eec83d8710952cf7dd2429904906dca727e>,
name = "VPNserver"]
rcvd [LCP code=0xc id=0x2 17 20 1f 33 4d 53 52 41 53 56 35 2e 31 30]
sent [LCP CodeRej id=0x2 0c 02 00 12 17 20 1f 33 4d 53 52 41 53 56 35 2e
31 30]
rcvd [LCP code=0xc id=0x3 17 20 1f 33 4d 53 52 41 53 2d 30 2d 4d 30 30
31]
sent [LCP CodeRej id=0x3 0c 03 00 14 17 20 1f 33 4d 53 52 41 53 2d 30 2d
4d 30 30 31]
rcvd [CHAP Response id=0x97 <02b7ac982f9050bb1272945451f4bd41>, name =
"CASA\\anapaula"]
WINBIND: Challenge type 5 unsupported
Peer CASA\\anapaula failed CHAP authentication
sent [CHAP Failure id=0x97 ""]
sent [LCP TermReq id=0x4 "Authentication failed"]
rcvd [LCP TermAck id=0x4 "Authentication failed"]
Connection terminated.
Plugin winbind.so loaded.
WINBIND plugin initialized.
using channel 37
Using interface ppp1
Connect: ppp1 <--> /dev/pts/3

sent [LCP ConfReq id=0x1 <mru 1410> <asyncmap 0x0> <auth chap MD5>
<magic 0x2eb0c923> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <mru 1410> <asyncmap 0x0> <auth chap MD5>
<magic 0x2eb0c923> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <mru 1400> <magic 0x1adf15ed> <pcomp> <accomp>
<callback CBCP>]
sent [LCP ConfRej id=0x1 <callback CBCP>]
rcvd [LCP ConfReq id=0x2 <mru 1400> <magic 0x1adf15ed> <pcomp> <accomp>]
sent [LCP ConfAck id=0x2 <mru 1400> <magic 0x1adf15ed> <pcomp> <accomp>]
sent [CHAP Challenge id=0xc5 <d2a61dabfd2d51e4ec7af881df2b7db463822d>,
name = "VPNserver"]
rcvd [LCP code=0xc id=0x3 1a df 15 ed 4d 53 52 41 53 56 35 2e 31 30]
sent [LCP CodeRej id=0x2 0c 03 00 12 1a df 15 ed 4d 53 52 41 53 56 35 2e
31 30]
rcvd [LCP code=0xc id=0x4 1a df 15 ed 4d 53 52 41 53 2d 30 2d 4d 30 30
31]
sent [LCP CodeRej id=0x3 0c 04 00 14 1a df 15 ed 4d 53 52 41 53 2d 30 2d
4d 30 30 31]
rcvd [CHAP Response id=0xc5 <aca27dcad56ab3d6a4b023a61e708be3>, name =
"CASA\\anapaula"]
WINBIND: Challenge type 5 unsupported
Peer CASA\\anapaula failed CHAP authentication
sent [CHAP Failure id=0xc5 ""]
sent [LCP TermReq id=0x4 "Authentication failed"]
rcvd [LCP TermAck id=0x4 "Authentication failed"]
Connection terminated.


I'm using:
Fedora 2.6.12-1.1398_FC4
ppp-2.4.3-5.fc4

options file:
ipcp-accept-local
ipcp-accept-remote
ms-dns  192.168.99.1
ms-wins 192.168.99.4
noccp
auth
crtscts
idle 1800
mtu 1410
mru 1410
nodefaultroute
debug
lock
proxyarp
connect-delay 5000
logfile /var/log/l2tpd.log
plugin winbind.so
ntlm_auth-helper "/usr/bin/ntlm_auth --helper-protocol=ntlm-server-1"

I execute the command 
[root at f001 ppp]# /usr/bin/ntlm_auth --helper-protocol=ntlm-server-1
Full-Username: CASA\anapaula
Password: a9n8a68
.
Authenticated: Yes


Marcos