Is it really "DNS leak" a problem?

[pr1v 36]

Maybe I am wrong but I was thinking about it. If we connect to some AirVPN server and then we make some dns request (browsing, etc), I suppose it's the AirVPN IP making that dns request, not our real ip. So, if there are many members using that server, and the dns request is made to google dns (for example) through the IP of the AirVPN server, why are really important "dns leaks" when we are not sending our real IP?

[Staff 9764]

Maybe I am wrong but I was thinking about it. If we connect to some AirVPN server and then we make some dns request (browsing, etc), I suppose it's the AirVPN IP making that dns request, not our real ip. So, if there are many members using that server, and the dns request is made to google dns (for example) through the IP of the AirVPN server, why are really important "dns leaks" when we are not sending our real IP?

 

Hello!

 

A DNS leak is not defined on a destination DNS server basis, but on the fact that the query is not tunneled. A DNS leak is a DNS query which is not tunneled. If the DNS query goes inside the tunnel, it is not a DNS leak, regardless of the final destination.

 

This is what happens in any system with a proper DNS implementation which obviously includes a global DNS. In such systems DNS leaks can't exist.

 

The "DNS leaks" problem has become relevant because the most used desktop Operating System (Windows) has always lacked (and still lacks) a proper DNS implementation. Not only you don't have a global DNS in the system, but system processes, by default, can query sequentially all the DNS servers specified in ALL the network interfaces.

 

Kind regards

[OpenSourcerer 1360]

it's impossible because they are not tunneled

 

Because:

 

system processes, by default, can query sequentially all the DNS servers specified in ALL the network interfaces.

 

To leverage this, Eddie sets static DNS for every NIC on a Windows system and is supposed to revert back to the previous settings when the connection is closed.

[pr1v 36]

 

 

it's impossible because they are not tunneled

 

Because:

 

system processes, by default, can query sequentially all the DNS servers specified in ALL the network interfaces.

 

To leverage this, Eddie sets static DNS for each and every NIC on a Windows system and is supposed to revert back to the previous settings when the connection is closed.

 

 

Sorry giganerd, I was just changing my question