Pengertian Intranet
Pengertian Intranet |
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An intranet may host multiple private websites
and constitute an important component and focal point of internal communication
and collaboration. Any of the well known Internet protocols may be found in an
intranet, such as HTTP (web services), SMTP (e-mail), and FTP (file transfer
protocol). Internet technologies are often deployed to provide modern interfaces
to legacy information systems hosting corporate data.
· An intranet can be understood as a private
analog of the Internet, or as a private extension of the Internet confined to
an organization. The first intranet websites and home pages were published in 1991,
and began to appear in non-educational organizations in 1994.
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Intranets are sometimes contrasted to extranets.
While intranets are generally restricted to employees of the organization,
extranets may also be accessed by customers, suppliers, or other approved
parties. Extranets extend a private network onto the Internet with special
provisions for authentication, authorization and accounting (AAA protocol).
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In many organizations, intranets are protected
from unauthorized external access by means of a network gateway and firewall.
For smaller companies, intranets may be created simply by using private IP
address ranges. In these cases, the intranet can only be directly accessed from
a computer in the local network; however, companies may provide access to
off-site employees by using a virtual private network, or by other access
methods, requiring user authentication and encryption.
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