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

[Jim Dettman]

 If I remember correctly from when I tripped over this, the issue was that I
didn't select the virtual adapter in the policy.
 
Jim.

  _____  

From: vpn-help [mailto:vpn-help-bounces at lists.shrew.net] On Behalf Of Brian
Sent: Wednesday, September 23, 2015 08:36 AM
To: vpn-help at lists.shrew.net
Subject: [vpn-help] Windows 10 - Cisco ASA - DNS Not Working


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!

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