Port 8080TCP
Alternative web port commonly used by proxys, consoles and applications.
What is the purpose of port 8080?
Web. The protocol or service generally associated with this is Alternative HTTP.
Transport Protocol
TCP
Safety precautions
The port number does not mean that the service is secure: check TLS and authentication.
Should we open this port in the firewall?
Only if a service is actually needed the use it. Apply the principle of any privilege: limit the authorized sources, destinations and interfaces, and then log connections when relevant.
How do I check this port?
Test-NetConnection SERVER -Port 8080
Under Linux, you can use nc -vz SERVER 8080.
Port/service associations are common conventions. An application can be configured on another port.