Hi,
Thanks for posting in Q&A platform.
Please understand that we are not familiar with Azure MFA and Global Protect VPN.
For PAP protocol, it is the least safe authentication methods. PAP works basically the same way as the normal login procedure. The client authenticates itself by sending a user name and an (optionally encrypted) password to the server, which the server compares to its secrets database. This technique is vulnerable to eavesdroppers who may try to obtain the password by listening in on the serial line, and to repeated trial and error attacks.
Best Regards,
Sunny
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