How many open ports should i have

1. How many open ports can you have?
2. How many ports should be open on my router?
3. How many ports is normal?

How many open ports can you have?

Every IP address contains two kinds of ports, UDP and TCP ports, and there are up to 65,535 of each for any given IP address.

How many ports should be open on my router?

A number of ports are safe to open such as the ones used for Internet access, email and FTP file transfers. Common port numbers that typically may be open include 21, 25, 80, 110, 139 and 8080. By default, these port numbers are usually active and open in most routers.

How many ports is normal?

Between the protocols User Datagram Protocol (UDP) and Transmission Control Protocol (TCP), there are 65,535 ports available for communication between devices.