Matthew, PAP is an authentication protocol. ASCII is a letter-encoding scheme. Neither one is an encryption protocol. Passing ASCII over PAP is called "clear text"... Steve From: freeradius-users-bounces+steven.lovaas=colostate.edu@lists.freeradius.org [mailto:freeradius-users-bounces+steven.lovaas=colostate.edu@lists.freeradius.org] On Behalf Of Matthew Benjamin Sent: Thursday, September 08, 2011 8:57 AM To: FreeRadius users mailing list Subject: PAP-ascii (is it safe to use)? Can someone tell me if PAP-ASCII is safe to use as an password encryption protocol? -- mB.