[vpn-help] Windows 10 - Cisco ASA - DNS Not Working

[Alexis La Goutte]

On Wed, Sep 23, 2015 at 2:35 PM, Brian <belstsrv at gmail.com> wrote:

> Hello All.
>
> I purchased the Shrew VPN client a few weeks ago as I upgraded my laptop
> to Windows 10, knowing that the Cisco client does not work on Windows 10
> and I had good success using the free Shrew version on my tablet that had
> Windows 8.
>
> The endpoint of the network I am trying to link in to is a Cisco ASA
> (unsure of model).  Using Windows 7 and the Cisco client, I could connect
> and access anything on the other end using IP or DNS names.
>
> Using Shrew though, I can connect to the VPN and ping things on the other
> side of the network.  I can access things using IP addresses and I can also
> access servers using DNS names but ONLY if the server has no public DNS
> already.  Any server that has a public DNS seems to get resolved by my
> router at my house and is not sent over the tunnel.  In many cases, we have
> a public DNS to a server that people might use for FTP connectivity, but I
> may want to RDP in to that server from the VPN side of things.  But, when I
> connect to the VPN and then try and RDP, I get the public IP of the server
> and thus the RDP fails to connect.
>
> I've tried lots of combinations of Split DNS, forcing DNS servers, and
> policy setups and nothing seems to force the VPN to be the first option for
> DNS lookup.  I would even be OK with routing ALL the traffic over the VPN
> if needed, although that is not optimal, I know.
>
> Does anyone have suggestions on what might be causing the VPN to not be
> the default for lookups like the Cisco VPN client was doing?
>
> Thanks for any help you can provide!
>
> Hi,

If i remember, there is actually some issue with Split DNS and Windows 10
(some changes on network stuff...)

Regards,

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