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Pre Tunnel Event for VPN

 
 
Lee Jefferies
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      08-31-2008, 11:39 PM
I am trying to get VPN to work with WS2008. I have created a
Connection Manager and I turned on the Log. When I try to connect the
system reports it is trying to validate the password and hangs there
until it times out. The password is valid. I can use the VPN
connection inside the LAN but am unsuccessful outside the LAN.

I want to use PPTP and have configured my server firewall and client
router to pass PPTP packets. The log shows that the Vista client is
sending a Pre Tunnel packet which contains the UserName =, Domain =,
DUNSetting =, and Tunnel DeviceName = WAN Miniport (SSTP). I think my
problem is the SSTP and I'm not sure how to configure my Vista machine
to use PPTP.

Assistance will be greatly appreciated.
 
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Bill Grant
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      09-01-2008, 07:12 AM


"Lee Jefferies" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I am trying to get VPN to work with WS2008. I have created a
> Connection Manager and I turned on the Log. When I try to connect the
> system reports it is trying to validate the password and hangs there
> until it times out. The password is valid. I can use the VPN
> connection inside the LAN but am unsuccessful outside the LAN.
>
> I want to use PPTP and have configured my server firewall and client
> router to pass PPTP packets. The log shows that the Vista client is
> sending a Pre Tunnel packet which contains the UserName =, Domain =,
> DUNSetting =, and Tunnel DeviceName = WAN Miniport (SSTP). I think my
> problem is the SSTP and I'm not sure how to configure my Vista machine
> to use PPTP.
>
> Assistance will be greatly appreciated.


You can force the client to use PPTP only (from the Networking tab). By
default it is set to automatic. Click to get the dropdown list of options.


 
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Bill Grant
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Posts: n/a

 
      09-01-2008, 07:14 AM


"Lee Jefferies" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I am trying to get VPN to work with WS2008. I have created a
> Connection Manager and I turned on the Log. When I try to connect the
> system reports it is trying to validate the password and hangs there
> until it times out. The password is valid. I can use the VPN
> connection inside the LAN but am unsuccessful outside the LAN.
>
> I want to use PPTP and have configured my server firewall and client
> router to pass PPTP packets. The log shows that the Vista client is
> sending a Pre Tunnel packet which contains the UserName =, Domain =,
> DUNSetting =, and Tunnel DeviceName = WAN Miniport (SSTP). I think my
> problem is the SSTP and I'm not sure how to configure my Vista machine
> to use PPTP.
>
> Assistance will be greatly appreciated.


You can configure the client to use PPTP only (from the networking tab
of connection properties). By default it is set to Automatic. Click to get
the dropdown list of options.


 
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Lee Jefferies
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Posts: n/a

 
      09-02-2008, 10:41 AM
Bill, thanks for your response. I presume that the WAN Miniport
(SSTP) Device name is the name of the module and it is capable of
processing SSTP and PPTP since I see PPTP packets in the trace. It
was confusing. Remember this is WS2008.

The Connection Manager for Vista does not contain the protocol drop
down list. XP does. You can however set it when you create the Vista
Connection Manager.

I am having a time trying to understand the packets, but it loks like
I have a certificate problem. Again thanks for your response.


>
>"Lee Jefferies" <(E-Mail Removed)> wrote in message
>news:(E-Mail Removed).. .
>> I am trying to get VPN to work with WS2008. I have created a
>> Connection Manager and I turned on the Log. When I try to connect the
>> system reports it is trying to validate the password and hangs there
>> until it times out. The password is valid. I can use the VPN
>> connection inside the LAN but am unsuccessful outside the LAN.
>>
>> I want to use PPTP and have configured my server firewall and client
>> router to pass PPTP packets. The log shows that the Vista client is
>> sending a Pre Tunnel packet which contains the UserName =, Domain =,
>> DUNSetting =, and Tunnel DeviceName = WAN Miniport (SSTP). I think my
>> problem is the SSTP and I'm not sure how to configure my Vista machine
>> to use PPTP.
>>
>> Assistance will be greatly appreciated.

>
> You can configure the client to use PPTP only (from the networking tab
>of connection properties). By default it is set to Automatic. Click to get
>the dropdown list of options.
>

 
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Lee Jefferies
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      09-03-2008, 12:40 AM
I said below I must have a certificate problem, but I recant. Here is
a group of firewall log entries and I'm not sure how top figure them
out. I see a GRE packet go through, then one is dropped. A little
later ther are 8 drops, about 4 seconds apart. Can anyone tell me why
these packets would be dropped when an earlier packet is allowed. I
do notice that the tcpsyn is 0 on the allowed packet while it is 84 on
the rejected packets.

2008-09-02 20:04:00 ALLOW 47 12.21.244.103 192.168.1.10 - - 0 - - - -
- - - RECEIVE
2008-09-02 20:04:00 DROP 47 12.21.244.103 192.168.1.10 - - 84 - - - -
- - - RECEIVE
2008-09-02 20:04:00 ALLOW ICMP 192.168.1.55 192.168.1.10 - - 0 - - - -
8 0 - RECEIVE
2008-09-02 20:04:03 ALLOW UDP 192.168.1.55 192.168.1.10 2583 389 0 - -
- - - - - RECEIVE
2008-09-02 20:04:03 ALLOW TCP 192.168.1.55 192.168.1.10 2584 135 0 - 0
0 0 - - - RECEIVE
2008-09-02 20:04:03 ALLOW TCP 192.168.1.55 192.168.1.10 2585 49155 0 -
0 0 0 - - - RECEIVE
2008-09-02 20:04:03 ALLOW UDP 192.168.1.55 192.168.1.10 2586 389 0 - -
- - - - - RECEIVE
2008-09-02 20:04:03 ALLOW TCP 192.168.1.55 192.168.1.10 2587 49158 0 -
0 0 0 - - - RECEIVE
2008-09-02 20:04:03 ALLOW TCP 192.168.1.55 192.168.1.10 2588 389 0 - 0
0 0 - - - RECEIVE
2008-09-02 20:04:03 ALLOW TCP 192.168.1.55 192.168.1.10 2589 389 0 - 0
0 0 - - - RECEIVE
2008-09-02 20:04:03 ALLOW ICMP 192.168.1.55 192.168.1.10 - - 0 - - - -
8 0 - RECEIVE
2008-09-02 20:04:03 ALLOW ICMP 192.168.1.55 192.168.1.10 - - 0 - - - -
8 0 - RECEIVE
2008-09-02 20:04:03 ALLOW TCP 192.168.1.55 192.168.1.10 2590 445 0 - 0
0 0 - - - RECEIVE
2008-09-02 20:04:04 ALLOW TCP 192.168.1.55 192.168.1.10 2588 389 0 - 0
0 0 - - - RECEIVE
2008-09-02 20:04:05 DROP 47 12.21.244.103 192.168.1.10 - - 84 - - - -
- - - RECEIVE
2008-09-02 20:04:09 DROP 47 12.21.244.103 192.168.1.10 - - 84 - - - -
- - - RECEIVE
2008-09-02 20:04:13 DROP 47 12.21.244.103 192.168.1.10 - - 84 - - - -
- - - RECEIVE
2008-09-02 20:04:17 DROP 47 12.21.244.103 192.168.1.10 - - 84 - - - -
- - - RECEIVE
2008-09-02 20:04:21 DROP 47 12.21.244.103 192.168.1.10 - - 84 - - - -
- - - RECEIVE
2008-09-02 20:04:25 DROP 47 12.21.244.103 192.168.1.10 - - 84 - - - -
- - - RECEIVE
2008-09-02 20:04:29 DROP 47 12.21.244.103 192.168.1.10 - - 84 - - - -
- - - RECEIVE
2008-09-02 20:04:33 DROP 47 12.21.244.103 192.168.1.10 - - 84 - - - -
- - - RECEIVE

>Bill, thanks for your response. I presume that the WAN Miniport
>(SSTP) Device name is the name of the module and it is capable of
>processing SSTP and PPTP since I see PPTP packets in the trace. It
>was confusing. Remember this is WS2008.
>
>The Connection Manager for Vista does not contain the protocol drop
>down list. XP does. You can however set it when you create the Vista
>Connection Manager.
>
>I am having a time trying to understand the packets, but it loks like
>I have a certificate problem. Again thanks for your response.
>
>
>>
>>"Lee Jefferies" <(E-Mail Removed)> wrote in message
>>news:(E-Mail Removed). ..
>>> I am trying to get VPN to work with WS2008. I have created a
>>> Connection Manager and I turned on the Log. When I try to connect the
>>> system reports it is trying to validate the password and hangs there
>>> until it times out. The password is valid. I can use the VPN
>>> connection inside the LAN but am unsuccessful outside the LAN.
>>>
>>> I want to use PPTP and have configured my server firewall and client
>>> router to pass PPTP packets. The log shows that the Vista client is
>>> sending a Pre Tunnel packet which contains the UserName =, Domain =,
>>> DUNSetting =, and Tunnel DeviceName = WAN Miniport (SSTP). I think my
>>> problem is the SSTP and I'm not sure how to configure my Vista machine
>>> to use PPTP.
>>>
>>> Assistance will be greatly appreciated.

>>
>> You can configure the client to use PPTP only (from the networking tab
>>of connection properties). By default it is set to Automatic. Click to get
>>the dropdown list of options.
>>

 
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Bill Grant
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Posts: n/a

 
      09-03-2008, 01:18 AM
>
> The Connection Manager for Vista does not contain the protocol drop
> down list. XP does. You can however set it when you create the Vista
> Connection Manager.
>

I am not too sure where you looked, but it certainly works for me in
Vista Business SP1. The only difference is that it includes sstp, which XP
didn't!

VPN Connection Properties | Networking tab.
Top line reads "Type of VPN:"
Second line is a dropdown list - default setting Automatic

 
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Lee Jefferies
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      09-03-2008, 01:45 AM
On Wed, 3 Sep 2008 11:18:26 +1000, "Bill Grant" <not.available@online>
wrote:

>>
>> The Connection Manager for Vista does not contain the protocol drop
>> down list. XP does. You can however set it when you create the Vista
>> Connection Manager.
>>

> I am not too sure where you looked, but it certainly works for me in
>Vista Business SP1. The only difference is that it includes sstp, which XP
>didn't!
>
> VPN Connection Properties | Networking tab.
> Top line reads "Type of VPN:"
> Second line is a dropdown list - default setting Automatic


I am attaching a picture of my properties window.

 
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