VPN
IKEv1 vs IKEv2
IKE Versions and VPN Negotiations Internet Key Exchange (IKE) is a protocol used to establish secure communication channels between devices for Virtual Private Network (VPN) connections. There are two main versions of IKE: IKEv1 and IKEv2. IKEv1 Negotiations IKEv1 negotiations occur in two phases: Phase 1: * Establishes a secure authenticated