An administrator needs to secure RADIUS traffic between two servers. Which of the following is the BEST
Require IPSec with AH between the servers
Require the message-authenticator attribute for each message
Use MSCHAPv2 with MPPE instead of PAP
Require a long and complex shared secret for the servers
IPsec is used for a secure point-to-point connection traversing an insecure network such as the Internet.
Authentication Header (AH) is a primary IPsec protocol that provides authentication of the sender’s data.