[vpn-help] 3G/UMTS problem

[Lars Vik]

Hi Stian,

The culprits are endless, but my guess is that your DNS is set to only 
answer recursive requests from private IP-ranges, i.e. 192.168.0.0/16, 
172.16.0.0/12 and 10.0.0.0/8, in other words, non-world-routable 
IP-ranges for security reasons. Depending on your VPN-gateway you can 
also(as an alternative) set the LAN-IP of the firewall as DNS-server, or 
another DNS-proxy in the remote LAN.

This is also, I think, the reason why it worked when you connected via 
WLAN and not 3G/UMTS, since you (the Shrew adapter) probably had a 
private IP-address when connecting via WLAN, but a public IP when 
connecting via 3G/UMTS, but I am just guessing.

Personally I think it is best to use virtual adapter with a private IP 
since you then always know what IP-address you have when browsing remote 
LANs. This gives you lot better options in terms of fine graining 
access/policies in the firewall, it is easier to allow access for 
VPN-users to DNS/WINS server, access to specific hosts, etc.

Glad to help,

Lars


On 21.05.2010 09:23, Stian Jordet wrote:
> Den 21.05.2010 01:35, skrev Lars Vik:
>> Try to use a virtual IP rather than the IP provided by the mobile
>> (Telenor?) operator. Try to use a virtual adapter with a private IP, for
>> example 10.20.45.45/255.255.255.255
> Lars,
>
> thank you, this worked perfectly :) But why is this needed? With my old
> drivers I didn't have to do this... And is there any problems connected
> with doing it like this?
>
> Thanks again :)
>
> -Stian