A network engineer needs to ensure secure and reliable communication between network devices and the...

Traditional RADIUS (UDP 1812/1813) only encrypts the password attribute; the rest of the packet (including the username) is sent in cleartext. Furthermore, UDP is connectionless and can be unreliable over WAN links. RadSec solves both issues by wrapping RADIUS in TLS , providing full-packet encryption, and using TCP , which provides guaranteed delivery and better handling of MTU issues/fragmentation across unsecured public networks.