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Old 08-02-2010, 05:05 AM   #1
alenoosh
LQ Newbie
 
Registered: Aug 2010
Posts: 4

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vpn connection fails on debian lenny


Hi all

I'm using debian lenny and I've created a vpn connection (client) to connect to a windows vpn server , my chap-secrets file looks like the following :

Code:
# Secrets for authentication using CHAP
# client	server	secret			IP addresses

........

# added by pptpsetup for afa
afa afa "my_pass" *
and my settings for 'afa' vpn connection are :

Code:
# written by pptpsetup
pty "pptp 212.50.246.113 --nolaunchpppd"
lock
noauth
nobsdcomp
nodeflate
name afa
remotename afa
file /etc/ppp/options.pptp
require-mppe-128
ipparam afa
options.pptp file looks like this :
Code:
# Lock the port
lock

# Authentication
# We don't need the tunnel server to authenticate itself
noauth

# We won't do PAP, EAP, CHAP, or MSCHAP, but we will accept MSCHAP-V2
# (you may need to remove these refusals if the server is not using MPPE)
refuse-pap
refuse-eap
#refuse-chap
#refuse-mschap

# Compression
# Turn off compression protocols we know won't be used
nobsdcomp
nodeflate

# Encryption
# (There have been multiple versions of PPP with encryption support,
# choose with of the following sections you will use.  Note that MPPE
# requires the use of MSCHAP-V2 during authentication)

# http://ppp.samba.org/ the PPP project version of PPP by Paul Mackarras
# ppp-2.4.2 or later with MPPE only, kernel module ppp_mppe.o
# {{{
# Require MPPE 128-bit encryption
require-mppe-128
# }}}

# http://polbox.com/h/hs001/ fork from PPP project by Jan Dubiec
# ppp-2.4.2 or later with MPPE and MPPC, kernel module ppp_mppe_mppc.o
# {{{
# Require MPPE 128-bit encryption
#mppe required,stateless
# }}}
when I try to connect using "pppd debug call afa" , I get this log and debug messages :

log message :
Code:
Aug  2 13:12:38 debian pppd[3738]: pppd 2.4.4 started by root, uid 0
Aug  2 13:12:38 debian pppd[3738]: Using interface ppp0
Aug  2 13:12:38 debian pppd[3738]: Connect: ppp0 <--> /dev/pts/2
Aug  2 13:12:42 debian pppd[3738]: Connection terminated.
Aug  2 13:12:42 debian pppd[3738]: Exit.
debug messages :
Code:
Aug  2 13:12:38 debian pppd[3738]: using channel 9
Aug  2 13:12:39 debian pppd[3738]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xc6fd0420> <pcomp> <accomp>]
Aug  2 13:12:41 debian pppd[3738]: rcvd [LCP ConfReq id=0x1 <auth chap MS> <magic 0x6ea06883>]
Aug  2 13:12:41 debian pppd[3738]: sent [LCP ConfAck id=0x1 <auth chap MS> <magic 0x6ea06883>]
Aug  2 13:12:42 debian pppd[3738]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xc6fd0420> <pcomp> <accomp>]
Aug  2 13:12:42 debian pppd[3738]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0xc6fd0420> <pcomp> <accomp>]
Aug  2 13:12:42 debian pppd[3738]: sent [LCP EchoReq id=0x0 magic=0xc6fd0420]
Aug  2 13:12:42 debian pppd[3738]: rcvd [CHAP Challenge id=0x1 <3eb940ce0821ce16>, name = "22Bahman-RT2811-2"]
Aug  2 13:12:42 debian pppd[3738]: sent [CHAP Response id=0x1 <0000000000000000000000000000000000000000000000000d74bc9d2117858ef3e47517ee06f75f28267b01a8cafc1601>, name = "afa"]
Aug  2 13:12:42 debian pppd[3738]: rcvd [LCP EchoRep id=0x0 magic=0x6ea06883]
Aug  2 13:12:42 debian pppd[3738]: rcvd [CHAP Failure id=0x1 "E=691 R=0"]
Aug  2 13:12:42 debian pppd[3738]: sent [LCP TermReq id=0x2 "Failed to authenticate ourselves to peer"]
Aug  2 13:12:42 debian pppd[3738]: rcvd [LCP TermReq id=0x2]
Aug  2 13:12:42 debian pppd[3738]: sent [LCP TermAck id=0x2]
Aug  2 13:12:42 debian pppd[3738]: rcvd [LCP TermAck id=0x2]
Aug  2 13:12:42 debian pppd[3738]: Script pptp 212.50.246.113 --nolaunchpppd finished (pid 3739), status = 0x0
thanks in advance for your help
 
Old 08-02-2010, 08:12 AM   #2
aspenbr
Member
 
Registered: Aug 2006
Posts: 36

Rep: Reputation: 15
Have you been using RAS for VPN on Windows Server ? There are firewall between Windows VPN server and you ? The user of windows was enable for connect vpn ?

Please check this link

http://www.tek-tips.com/viewthread.cfm?qid=77613&page=8
 
Old 08-03-2010, 06:48 AM   #3
alenoosh
LQ Newbie
 
Registered: Aug 2010
Posts: 4

Original Poster
Rep: Reputation: 0
vpn connection fails on debian lenny

Thank you for your reply.

RAS is not used in VPN server ...
 
Old 08-04-2010, 12:28 AM   #4
aspenbr
Member
 
Registered: Aug 2006
Posts: 36

Rep: Reputation: 15
Sorry, I have used RRAS for build VPN server on Windows 2000 and Windows 2003. PLease check this link http://technet.microsoft.com/en-us/l...71(WS.10).aspx
 
  


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