Authentication Standards

Authentication Standards

1. PPP

   • Link dead
   • Link establishment
   • Auth
     • PAP
     • CHAP
       • MS-CHAPv2
   • Network layer protocol
   • termination
   • LCP

2. AAA

   • RADIUS
     • Server
       • multiple NAS
   • TACACS+
     • switch and router management

3. Kerberos

   • KDC
     • AS
     • TGS
     • sends TGT
       • client sends back for token

4. EAP

   • PSK
   • TLS
   • TTLS
   • MS-CHAPv2
   • MD5
   • LEAP

5. 802.1x - EAP sol. of ethernet

   • similar to RADIUS
   • mainly used by wireless