Password Authentication Protocol (PAP) is a simple authentication protocol in which the user name and password is sent to the remote access server in a plaintext (unencrypted) form. Using PAP is strongly discouraged because your passwords are easily readable from the Point-to-Point Protocol (PPP) packets exchanged during the authentication process. PAP is typically used only when connecting to older UNIX-based remote access servers that do not support more secure authentication protocols.
To configure a connection for PAP, see To configure identity authentication and data encryption settings.
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