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Appendix D: Protocol Glossary
SLC™ 8000 Advanced Console Manager User Guide 335
NTP (Network Time Protocol)
A protocol used to synchronize time on networked computers and equipment.
PAP (Password Authentication Protocol)
A method of user authentication in which the username and password are transmitted over a
network and compared to a table of name-password pairs.
PPP (Point-to-Point Protocol)
A protocol for creating and running IP and other network protocols over a serial link.
RADIUS (Remote Authentication Dial-In User Service)
An authentication and accounting protocol. Enables remote access servers to communicate with a
central server to authenticate dial-in users and their access permissions. A company stores user
profiles in a central database that all remote servers can share.
SMB/CIFS
(Server Message Block/Common Internet File System): Microsoft's protocol for allowing all
applications as well as Web browsers to share files across the Internet. CIFS runs on TCP/IP and
uses the SMB protocol in Microsoft Windows for accessing files. With CIFS, users with different
platforms and computers can share files without having to install new software.
SNMP (Simple Network Management Protocol)
A protocol that system administrators use to monitor networks and connected devices and to
respond to queries from other network hosts.
SMTP (Simple Mail Transfer Protocol)
TCP/IP protocol for sending email between servers.
SSL (Secure Sockets Layer)
A protocol that provides authentication and encryption services between a web server and a web
browser.
SSH (Secure Shell)
A secure transport protocol based on public-key cryptography.
TACACS+ (Terminal Access Controller Access Control System)
A method of authentication used in UNIX networks. It allows a remote access server to
communicate with an authentication server to determine whether the user has access to the
network.
Telnet
A terminal protocol that provides an easy-to-use method of creating terminal connections to a
network host.