Fill in the blank: RADIUS protocol uses ______ to communicate with the gateway.
Fill in the blank: RADIUS protocol uses ______ to communicate with the gateway.
UDP Port UDP port used on RADIUS server. The default port is 1812 as specified by the RADIUS standard. The range of valid port numbers is from 1 to 65535. Port 1645 is non-standard, but is commonly used as alternative to port 1812.