rong two factor authentication through the RADIUS protocol for external devices like for example firewalls o... c>1994]] CHAP (Challenge Handshake Authentication Protocol)
* RFC [[rfc>2433]] MS-CHAP (Microsoft PPP CHAP... )
* RFC [[rfc>2821]] SMTP (Simple Mail Transfer Protocol)
* RFC [[rfc>4226]] OATH/HOTP ([[/glossaire/hot... e Password Algorithm)
* RFC [[rfc>5424]] Syslog Protocol (client)
* RFC [[rfc>6030]] PSKC (Additional Po