ZyWALL 2 Series User’s Guide
Types of EAP Authentication
F-2
TTLS supports EAP methods and legacy authentication methods such as PAP, CHAP, MS-CHAP and MS-
CHAP v2.
EAP-MD5 EAP-TLS EAP-TTLS
Mutual
Authentication
No Yes Yes
Certificate – Client
No Yes Optional
Certificate – Server
No Yes Yes
Dynamic Key
Exchange
No Yes Yes
Credential Security
None Strong Strong
Deployment
Difficulty
Easy Hard Moderate
Wireless Security
Poor Best Good
Client Identity
Protection
No No Yes