Port (computer networking) - Wikipedia
Dec 25, 2016 Ports used for connections - Configuration Manager By default, the HTTP port that's used for client-to-site system communication is port 80, and the default HTTPS port is 443. Ports for client-to-site system communication over HTTP or HTTPS can be changed during setup or in the site properties for your Configuration Manager site. TCPやUDPにおけるポート番号の一覧 - Wikipedia IBM HMC web browser management access over HTTPS instead of default port 443: 非公式 12489: TCP: NSClient/NSClient++/NC_Net (Nagios) 非公式 12975: TCP: LogMeIn Hamachi (VPN tunnel software; also port 32976) used to connect to Mediation Server (bibi.hamachi.cc); will attempt to use SSL (TCP port 443) if both 12975 & 32976 fail to connect OpenVPN via port 443 | Netgate Forum I tried this with port 1194 and UDP, then switched to port 443 and TCP. I did these changes in mit .ovpn config, too and it worked without problems. –-edit---I reverted webGUI from https to http before testing.---edit2---changed port from https webgui to 44444 and used openvpn on port 443 with tcp and it worked without any problems.
Jul 20, 2020
The next column lists each port used by the product, including any port ranges. The third column shows which protocol the ports refer to (TCP, UDP or both). Finally, a description of the application protocol is provided where appropriate. To change the port you have to modify the "port" attribute of the "connector" element. If you want to run the Tomcat server on linux and you cannot run it as a privileged user you may use iptables to redirect the port 443 to 8080: iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 443 -j REDIRECT --to-port 8080
:80 and :443 refer only to the server port in use (i.e. it is "just a number") and carries no significance at all with regards to security. However, there is a strong convention to send http over port 80 and https over port 443, which makes the combinations in the question more than a little unorthodox.
How to add Port 443 to the Windows Firewall in Windows 7 Select the radio button for Port, then click Next. Select the radio button for TCP. Select the radio button for Specific local ports: then type 443 in the field to the right, then click Next. Select the radio button for Allow the connection then click Next. Leave the boxes checked and click Next. For Name type Inbound 443 TCP then click Finish.