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DIP (Destination IP) Address
DPort (Destination Port)
DTE (Data Terminal Equipment)
Extended Profile
GSLB (Global Server Load Balancing)
Copyright © 2007-2008 Nortel Networks
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message. The recipient decrypts the signature digest and also
recomputes the digest from the received text. If the digests match,
the message is proved intact and tamper free from the sender.
A digital signature ensures that the document originated with
the person signing it and that it was not tampered with after the
signature was applied. However, the sender could still be an
impersonator and not the person he or she claims to be. To verify
that the message was indeed sent by the person claiming to send
it requires a digital certificate (digital ID) which is issued by a
certification authority.
The destination IP address of a frame.
The destination port number, linking the incoming data to the
correct service. For example, port 80 for HTTP, port 443 for
HTTPS, port 995 for POP3S.
A device that controls data flowing to or from a computer. The
term is most often used in reference to serial communications
defined by the RS-232C standard. This standard defines the
two ends of the communication channel as being a DTE and
DCE device. However, using a null-modem cable, a DTE to DTE
communication channel can also be established between, for
example, two computers.
Extended profiles can be defined for a user group if other links
and access rules should apply when the user authenticates by
means of a specific authentication method or when connecting
from a specific IP address or network.
A Nortel Application Switch feature that allows you to balance
server traffic load across multiple physical sites. The Nortel GSLB
implementation takes into account an individual site's health,
response time, and geographical location to smoothly integrate
the resources of the dispersed server sites for complete global
performance.
Nortel VPN Gateway
User Guide
NN46120-104 02.01 Standard
14 April 2008
287
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