Avocent Network Device SPC420 - Manual (Page 414)

394 DSView 3 Software Installer/User Guide
External authentication server
The external authentication server is an optional component(s) outside of the DSView 3
software system that enables you to select an authentication method. The DSView 3 server
brokers authentication requests (LDAP, RADIUS and so on).
Flash
Flash is a special type of EEPROM that can be erased and reprogrammed in blocks instead of
one byte at a time. The BIOS and applications of many modern applications are stored on a
Flash memory chip so that it may easily be updated (if necessary).
FRU (Field Replaceable Unit)
An FRU is a module or component which is typically completely replaced as part of a field
service repair operation.
Graceful shutdown
A graceful shutdown is identical to a shutdown performed by selecting Start - Shutdown and
then selecting Shut down in the Shut Down Window dialog box.
Hotkey
A hotkey is a keystroke that may be assigned and used to cause a specific action or set of
actions to occur within a user interface. By assigning the action(s), the keystroke’s normal
operation (for example, pressing
F1 to open help) is superseded.
HTML (Hypertext Markup Language)
HTML is a markup language used to create hypertext documents that are portable from one
platform to another on the World Wide Web (WWW). HTML files are ASCII text files with
embedded codes (markup tags) to indicate formatting and hypertext links. Web browsers
interpret and display HTML documents.
HTTP (Hypertext Transfer Protocol)
HTTP is the underlying protocol by which WWW clients and servers communicate. HTTP is
an application-level, generic, stateless, object-oriented protocol for distributed, collaborative,
hypermedia information systems. A feature of HTTP is the typing and negotiation of data
representation, allowing systems to be built independently of the data being transferred.
HTTPS (Secure Hypertext Transfer Protocol)
HTTPS is an extension to the HTTP protocol that supports sending data securely over the
WWW.
Integrated windows authentication
Previously known as Windows NT Challenge/Response (NT/CR) or NT LAN Manager
(NTLM), Integrated Windows Authentication is a secure form of web browser authentication
using either the Kerberos V5 authentication protocol or its own challenge/response
authentication protocol.
This authentication method works best in an intranet environment where the types of web
browsers that your network users access may be controlled. If you are already logged on to