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Aids and Tools for Networking
Certifications
Encryption Protocols
MPPE--Microsoft Point to Point Encryption
MPPE--Microsoft Point to Point Encryption
Client Configuration
Server
Configuration
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To enable MPPE based data encryption for dialup or VPN connections (PPP or PPTP), you must select the MS-CHAP, MS-CHAPv2, or EAP-TLS authentication. These methods generate the required keys.
Choose MPPE as the encryption method if using MS-CHAP, MS-CHAPv2, or EAP-TLS authentication or User authentication is used and no machine certificate infrastructure exists.
| Validate identity | Require Encryption | Authentication Methods used | Encryption enforcement |
| Allow secured password | No | PAP, CHAP, SPAP, MS-CHAP, MS-CHAPv2 | Optional encryption (connect even if no encryption.) |
| Required Secure password | No | CHAP, MS-CHAP, MS-CHAPv2 | Optional Encryption (connect even if no encryption) |
| Required Secure Password | Yes | MS-CHAP, MS-CHAPv2 | Require encryption. Disconnect if server declines. |
| Smart Card | No | EAP/TLS | Optional Encryption (connect even if no encryption) |
| Smart Card | Yes | EAP/TLS | Require encryption. Disconnect if server declines. |
Client Configuration back to top
Connection properties, security tab, advanced settings.
Server Configuration back to top
Profile settings on RAS Policy
L2TP over IPSec
Client Configuration
Server Configuration
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IPSec encrypts data with an L2TP connection. Supports 40 bit DES, 56 bit DES, or Triple DES. Uses machine based certificates for authentication.
Choose IPSec as the encryption method if using L2TP tunneling or a public certificate structure exists.
| Validate identity | Require Encryption | Authentication Methods used | Encryption enforcement |
| Required Secure Password | No | CHAP, MS-CHAP, MS-CHAPv2 | Optional Encryption (connect even if no encryption) |
| Required Secure Password | Yes | MS-CHAP, MS-CHAPv2 | Require encryption. Disconnect if server declines. |
| Smart Card | No | EAP/TLS | Optional Encryption (connect even if no encryption) |
| Smart Card | Yes | EAP/TLS | Require encryption. Disconnect if server declines. |