Name: https Purpose: http protocol over TLS/SSL Description: > This port is used for secure web browser communication. Data transferred across such connections are highly resistant to eavesdropping and interception.
UDP port 443 would not have guaranteed communication in the same way as TCP. Because protocol TCP port 443 was flagged as a virus (colored red) does not mean that a virus is using port 443, but that a Trojan or Virus has used this port in the past to communicate. TCP 443 – Disclaimer. We do our best to provide you with accurate information on Name: https Purpose: http protocol over TLS/SSL Description: > This port is used for secure web browser communication. Data transferred across such connections are highly resistant to eavesdropping and interception. As of April 2018, 33.2% of Alexa top 1,000,000 websites use HTTPS as default, 57.1% of the Internet's 137,971 most popular websites have a secure implementation of HTTPS, and 70% of page loads (measured by Firefox Telemetry) use HTTPS. The port 80 and port 443 ports are listed with Firewalld as http and https services. To temporarily open both ports execute: # firewall-cmd --zone=public --add-service=http # firewall-cmd --zone=public --add-service=https Note, the above firewald commands will open HTTP and HTTPS port only temporarily.
Since port 443 is the default port for HTTPS content, censors are deterred from blocking the port altogether since it would mean blocking all of HTTPS traffic, which is a very high cost for just blocking VPNs disguising their traffic as "HTTPS".
I can get HTTPS to work on port 443, but the FINESSE_10_5_WEB SERVICES DEVELOPER GUIDE specifically says that we should us port 8443 for HTTPS (page 6): HTTPS Requests Clients should make all HTTPS requests to port 8443 in a Unified CCE deployment and port 8445 in a Unified CCX deployment.
To log into Steam and download content: HTTP (TCP remote port 80) and HTTPS (443) UDP remote port 27015--27030; TCP remote port 27015--27030
The port 80 and port 443 ports are listed with Firewalld as http and https services. To temporarily open both ports execute: # firewall-cmd --zone=public --add-service=http # firewall-cmd --zone=public --add-service=https Note, the above firewald commands will open HTTP and HTTPS port only temporarily.