D-Link DIR-867 - Quick VPN (continued); Authentication Protocol; MPPE

72D-Link DIR-867 User Manual
Section 4 - Conguration
Advanced Settings - Address Autoconguration Settings
Authentication
Protocol:
Choose the authentication protocol type: MSCHAPv2, PAP, or CHAP.
MSCHAPv2 is the default.
MPPE: Select the encryption cipher strength: None, RC4-40, or RC4-128.
RC4-128 is the default.
Click Save when you are done.
Quick VPN (continued)