Patent attributes
A method including transmitting, by a user device, a connection request to a VPN service provider for obtaining VPN services; receiving, by the user device, a response to the connection request, the response including a custom digest header containing identification information that identifies an existing association between the user device and the VPN service provider; determining, by the user device based at least in part on the identification information, that the response is received from the VPN service provider; authenticating, by the user device, the VPN service provider based at least in part on determining that the response is received from the VPN service provider; and transmitting, by the user device to a VPN server associated with the VPN service provider, a service request for obtaining the VPN services based at least in part on authenticating the VPN service provider is disclosed. Various other aspects are contemplated.

