Ensure WireGuard was downloaded from the official Mac App Store, which utilizes Apple's verified App Sandbox. Incorrect AllowedIPs or mismatched DNS settings.

[Interface] PrivateKey = [Your_Client_Private_Key] Address = 10.0.0.2/24 DNS = 1.1.1.1 [Peer] PublicKey = [Your_Server_Public_Key] Endpoint = server.com AllowedIPs = 0.0.0.0/0 Use code with caution. Step 4: Activate the Connection

An icon will appear in your macOS menu bar (top right corner). Click the menu bar icon and select .

macOS Big Sur System Integrity Protection (SIP) blocking file access.