Can I use another port other than 443 for HTTPS/SSL
List of TCP and UDP port numbers - Wikipedia The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the well-known ports. TCP and UDP Ports used for the Cisco VPN Client VPN In most situations, there is a PAT device between the VPN client and the head end VPN device. PAT works by differentiating users by the UDP or TCP port used. Since IPSec uses IP protocol 50, it is impossible for more than one user to connect to the VPN device, through the PAT. How to set up VPN server with port forwarding? | Official
List of VPN port numbers VPN service providers use
TCP and UDP ports used by Apple software products 133 rows Ports used for VPN Protocols – IPVanish
What ports does VPN use ? :: SG FAQ
Virtual private network - Wikipedia A virtual private network (VPN) extends a private network across a public network and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network. Applications running across a VPN may therefore benefit from the functionality, security, and management of the private network.