Diagnosing and Fixing Authentication
The following table describes solutions for general authentication
Table 7-7 General
pppd debug output shows the message Peer is not authorized to use remote address address.
You are using PAP authentication, and the IP address for the
remote peer is not in the /etc/ppp/pap-secrets file.
Add an asterisk (*) after the entry for the peer in the /etc/ppp/pap-secrets file.
pppd debug output shows that LCP starts but
terminates shortly afterward.
The password might be incorrect in the database for the particular
Check the password for the peer in the /etc/ppp/pap-secrets or /etc/ppp/chap-secrets file.