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Dial-In PPP Authentication:
PAP Only
PAP or CHAP
Dial-In PPP Encryption:
Optional MPPE
Require
MPPE(40/120bi
ts)
VPN and Remote Access Setup
Select this option to force the router to authenticate dial-in users
with the PAP protocol.
Selecting this option means the router will attempt to authenticate
dial-in users with the CHAP protocol first. If the dial-in user does
not support this protocol, it will fall back to use the PAP protocol
for authentication.
This option represents that the MPPE encryption method will be
optionally employed in the router for the remote dial-in user. If the
remote dial-in user does not support the MPPE encryption
algorithm, the router will transmit "no MPPE encrypted packets".
Selecting this option will force the router to encrypt packets by
using the MPPE encryption algorithm. In addition, the remote
dial-in user will use 40-bit to perform encryption prior to using
128-bit for encryption. In other words, if 40-bit MPPE encryption
method is not available, then 128-bit encryption scheme will be
applied to encrypt the data.
8-4
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