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VPN connection dont use its DNS servers, why?

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Vieux 09/09/2006, 23h31   #1
rem
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Par défaut VPN connection dont use its DNS servers, why?

At home, and I am connected to my ISP via cable.

On home computer (Windows XP SP2) I created a PPTP VPN connection in Network
Connections, which I use to connect to company server. In TCP/IP properties
of the connection I've manually put DNS addresses of internal DNS servers. I
also checked "Use default gateway on remote network". I also put this
connection in first place in Advanced Settings-> Adapters and bindings.

When I connect to my company with this connection, it works, but all names
are still resolved with my ISP DNSs. Why is this happening, what have I
forgot? I need to, when I connect to my company with this connection, to use
internal DNS servers.

Do I have to change something on the server or on the client?



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Vieux 10/09/2006, 00h38   #2
Bill Grant
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Par défaut Re: VPN connection dont use its DNS servers, why?

That should work. Have you also added the DNS suffix for your company to
the VPN client settings?

rem wrote:
> At home, and I am connected to my ISP via cable.
>
> On home computer (Windows XP SP2) I created a PPTP VPN connection in
> Network Connections, which I use to connect to company server. In
> TCP/IP properties of the connection I've manually put DNS addresses
> of internal DNS servers. I also checked "Use default gateway on
> remote network". I also put this connection in first place in
> Advanced Settings-> Adapters and bindings.
> When I connect to my company with this connection, it works, but all
> names are still resolved with my ISP DNSs. Why is this happening,
> what have I forgot? I need to, when I connect to my company with this
> connection, to use internal DNS servers.
>
> Do I have to change something on the server or on the client?



  Réponse avec citation
Vieux 10/09/2006, 01h06   #3
rem
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Par défaut Re: VPN connection dont use its DNS servers, why?

"Bill Grant" <not.available@online> wrote in message
news:OpwdFoG1GHA.1548@TK2MSFTNGP02.phx.gbl...
> That should work. Have you also added the DNS suffix for your company
> to the VPN client settings?



Yes, I also did that. (I forgot to mention). It still does not work.


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Vieux 10/09/2006, 10h58   #4
Hank Arnold
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Hébergeur:
Par défaut Re: VPN connection dont use its DNS servers, why?

We have the same situation. It's not been a problem, since our nurses
only use it to synchronize their laptops with a server and the server is
identified via an IP address.

I've found that adding a HOSTS file with the necessary definitions will
allow full name resolution....

Regards,
Hank Arnold

rem wrote:
> At home, and I am connected to my ISP via cable.
>
> On home computer (Windows XP SP2) I created a PPTP VPN connection in Network
> Connections, which I use to connect to company server. In TCP/IP properties
> of the connection I've manually put DNS addresses of internal DNS servers. I
> also checked "Use default gateway on remote network". I also put this
> connection in first place in Advanced Settings-> Adapters and bindings.
>
> When I connect to my company with this connection, it works, but all names
> are still resolved with my ISP DNSs. Why is this happening, what have I
> forgot? I need to, when I connect to my company with this connection, to use
> internal DNS servers.
>
> Do I have to change something on the server or on the client?
>
>
>

  Réponse avec citation
Vieux 10/09/2006, 21h17   #5
rem
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Hébergeur:
Par défaut Re: VPN connection dont use its DNS servers, why?

Today I tried to detect the packet flow.
I used two ethereals at the same time: one for VPN interface and one for
ethernet card interface(ISP via cable). Then I tried nslookup.

On VPN Interface there was standard DNS query and response. So it does
contacts internal DNS servers.

On ethernet card interface there was nothing.

BUT, nslookup says: Server:<ISP's server>, and then gives resolved IP. Why
does nslookup says that? Is it a bug in nslookup? To Microsoft: Please try
that and confirm is this a bug.


  Réponse avec citation
Vieux 13/09/2006, 05h36   #6
NTNEWS
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Hébergeur:
Par défaut Re: VPN connection dont use its DNS servers, why?

I am having a similar issue. My clients are using a Cisco VPN solution and
random clients will register their "A" records as their local LAN IP and not
the VPN Ip address?

"rem" wrote:

> Today I tried to detect the packet flow.
> I used two ethereals at the same time: one for VPN interface and one for
> ethernet card interface(ISP via cable). Then I tried nslookup.
>
> On VPN Interface there was standard DNS query and response. So it does
> contacts internal DNS servers.
>
> On ethernet card interface there was nothing.
>
> BUT, nslookup says: Server:<ISP's server>, and then gives resolved IP. Why
> does nslookup says that? Is it a bug in nslookup? To Microsoft: Please try
> that and confirm is this a bug.
>
>
>

  Réponse avec citation
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