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Old 11-06-2004, 06:47 PM   #1
NetAX
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Registered: Mar 2004
Location: Boston, MA
Distribution: SuSE Linux Open/Enterprise, Red Hat, Ubuntu
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Encryption on VPN via Windows XP home


I've just installed Poptop as a VPN server so i can access it remotely. I'm having trouble with the encrytion of XP home client.

I get errors such as:

"741: The local computer does not support the required data encryption type."


I've tried to use MS-CHAP and MS-CHAP v2 to no avail.
I was,however, able to establish a connection when i used the option "No encryption" under the security tab.


Here is my options.pptpd file:

Code:
lock
debug
name my name
proxyarp
ms-wins wins IP
ms-dnsDNS ip
+mschap

/etc/pptpd.conf

Code:
option /etc/ppp/options.pptpd
debug
local ip 172.17.64.255 (i'm going to change theses IP's as soon as  i get
remote ip 172.17.64.229-235 the VPN to work properly.)
listen 172.17.64.255
/etc/modules.conf

Code:
alias char-major-108 ppp_genric
alias /dev/ppp ppp_generic
alias tty-ldisc-3 ppp_async
alias tty-ldisc-14 ppp_synctty
alias ppp_compress-18 ppp_mppe
alias ppp_compress-21 bsd-comp
alias ppp_compress-24 ppp_deflate
alias ppp_compress-26 ppp_deflate
 
Old 11-06-2004, 07:06 PM   #2
michaelk
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The syntax is different for the version of ppp your running. Look at the messages log (/var/log/messages) for additional debug info.

Here is my options.pptpd for ppp 2.4.2

name *
debug
lock
mtu 1490
mru 1490
proxyarp
ms-wins IP
multilink
auth
ipcp-accept-local
ipcp-accept-remote
lcp-echo-failure 3
lcp-echo-interval 5
deflate 0
require-mschap-v2
require-mppe-128
nomppe-stateful
 
Old 11-07-2004, 02:56 PM   #3
NetAX
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Registered: Mar 2004
Location: Boston, MA
Distribution: SuSE Linux Open/Enterprise, Red Hat, Ubuntu
Posts: 147

Original Poster
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ok, i figured it out.

here are the changes i made in my options.pptpd file if anyone is interested. By the way i'm using poptop 1.1.2, this came along with my ditribution. I will be upgrading it shortly.

/etc/ppp/options.pptpd
Code:
name siaserver
noauth
multilink
+chap
+chapms
+chapms-v2
lock
require-mppe
mppe-128
require-chapms-v2
ms-wins 172.17.64.2
ms-dns 172.17.64.2
/etc/ppp/chap-secrets
Code:
# secret is the same as password
# client     server      secret    IP address
   user01  siaserver    pie2          *
/etc/pptpd.conf
Code:
#option /etc/ppp/options.ppp0
option /etc/ppp/options.pptpd

localip 10.10.0.1
#remoteip specifies the range of addresses to assign to VPN clients.
remoteip 10.10.0.200-234
 
  


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