SSTP¶. SSTP is a form of VPN tunnel that provides a mechanism to transport PPP traffic through an SSL/TLS channel. SSL/TLS provides transport-level security with key negotiation, encryption and traffic integrity checking. The use of SSL/TLS over TCP port 443 allows SSTP to pass through virtually all firewalls and proxy servers except for authenticated web proxies.

Apr 17, 2007 Setup a Secure VPN (SSTP) on Windows Server 2019 - Get An May 24, 2020 VPN Encryption Types | OpenVPN, IKEv2, PPTP, L2TP/IpSec, SSTP Jun 30, 2020 MikroTik: Setup A Client-to-Site SSTP VPN (Part 1) – Marthur

Jul 16, 2020

While TCP port 22 is the general right answer, this is dependent on the fact that SSH is configured to use the standard port and not an alternative port. As SFTP runs as a subsystem of SSH it runs on whatever port the SSH daemon is listening on and that is administrator configurable. SSH Port The port number can be configured by changing the Port 22 directive in /etc/ssh/sshd_config. It can also be specified using the -p option to sshd. The SSH client and sftp programs also support the -p option. Specifying SSH port number on the command line. The -p option can be used to specify the port number to connect to

While TCP port 22 is the general right answer, this is dependent on the fact that SSH is configured to use the standard port and not an alternative port. As SFTP runs as a subsystem of SSH it runs on whatever port the SSH daemon is listening on and that is administrator configurable.

Setup a Raspberry Pi VPN Server - The Geek Pub