A DNS leak is a security flaw that allows DNS requests to be revealed to internet service provider (ISP) DNS servers, despite the use of a VPN service to attempt to conceal them. The vulnerability allows an ISP, as well as any on-path eavesdroppers, to see what websites a user is visiting.
A DNS leak is a security flaw that allows DNS requests to be revealed to internet service provider (ISP) DNS servers, despite the use of a VPN service to attempt to conceal them. The vulnerability allows an ISP, as well as any on-path eavesdroppers, to see what websites a user is visiting.
Source: Wikipedia "DNS leak" · CC BY-SA 4.0
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