200 Secure Socket Tunneling Protocol Service 201 Provides support for the Secure Socket Tunneling Protocol (SSTP) to connect to remote computers using VPN. If this service is disabled, users will not be able to use SSTP to access remote servers. 202 WAN Miniport (SSTP) 203 Allows you to securely connect to a private network using the Internet. 1800 Secure Socket Tunneling Protocol (SSTP) 35001 Secure Socket Tunneling Protocol 35002 Secure Socket Tunneling Protocol (SSTP-In) 35003 Inbound rule to allow HTTPS traffic for Secure Socket Tunneling Protocol. [TCP 443] 45001 This feature is used to allow incoming VPN connections using Secure Socket Tunneling Protocol (SSTP). (Uses HTTPS)