mobile user vpn is the watchguard ipsec implementation of remote user virtual private networking. mobile user vpn connects an employee on the road or working from home to trusted and optional networks behind a firebox using a standard internet connection, without compromising security. watchguard mobile user vpn software easily integrates into your firebox system, allowing your mobile users to securely connect to your network. vpn traffic is encrypted using des or 3des-cbc, and authenticated through md5 or sha-1.