Chapter 4 Common Scenarios Using ACS

VPN Remote Network Access

Supported Authentication Protocols

ACS 5.3 supports the following protocols for inner authentication inside the VPN tunnel:

RADIUS/PAP

RADIUS/CHAP

RADIUS/MS-CHAPv1

RADIUS/MS-CHAPv2

With the use of MS-CHAPv1 or MS-CHAPv2 protocols, ACS can generate MPPE keys that is used for encryption of the tunnel that is created.

Related Topics

VPN Remote Network Access, page 4-20

Supported Identity Stores, page 4-21

Supported VPN Network Access Servers, page 4-22

Supported VPN Clients, page 4-22

Configuring VPN Remote Access Service, page 4-22

Supported Identity Stores

ACS can perform VPN authentication against the following identity stores:

ACS internal identity store—RADIUS/PAP, RADIUS/CHAP, RADIUS/MS-CHAP-v1, and RADIUS/MS-CHAP-v2

Active Directory—RADIUS/PAP, RADIUS/MS-CHAP-v1, and RADIUS/MS-CHAP-v2

LDAP—RADIUS/PAP

RSA SecurID Server—RADIUS/PAP

RADIUS Token Server—RADIUS/PAP (dynamic OTP)

Related Topics

VPN Remote Network Access, page 4-20

Supported Authentication Protocols, page 4-21

Supported VPN Network Access Servers, page 4-22

Supported VPN Clients, page 4-22

Configuring VPN Remote Access Service, page 4-22

 

 

User Guide for Cisco Secure Access Control System 5.3

 

 

 

 

 

 

OL-24201-01

 

 

4-21

 

 

 

 

 

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Cisco Systems OL-24201-01 manual Supported Authentication Protocols, Supported Identity Stores, Radius/Pap Radius/Chap