A, EAD Overview:
EAD (Port Access Defense) is a security and defense solutions, can compensate for the lack of traditional single-point security and defense
PORTAL Overview:
Portal authentication is also called WEB certification, is a carrier commonly used for authentication by forcing the user to the portal the way
including authentication client, access device, Portal server, authentication / basal server and an optional security policy server
Two, PORTAL authentication
1, Layer 3 authentication
Between the client and the access device has a three-tier equipment
direct access to IP addresses
2, non-Layer 3 authentication
Between the client and the access device does not have three-tier equipment
direct access to IP addresses to authenticate
re-DHCP authentication
Third, the summary
EAD is a security and defense solutions, and its functions include inspection, quarantine, repair, management and monitoring