Glossary
NAT
Network Address Translation; an Internet standard that defines the process of converting IP addresses on a local-area network to
Internet IP addresses. See NAT subsystem.
NAT subsystem
The Equalizer subsystem responsible for transferring connections to and from the back-end servers.
netmask
Address mask; a bit mask used to select bits from an Internet address for subnet addressing. The mask is 32 bits long and selects
the network portion of the Internet address and one or more bits of the local portion.
Network Address Translation (NAT)
See NAT.
network interface
The place at which two or more networks connect and communicate with each other. See interface. See external interface, inter-
face, and internal interface.
network route
See gateway.
O
OSI network
A network that uses the International Organization for Standardization/Open Systems Interconnection model. See ISO/OSI model,
Layer 4, Layer 7, and transport layer.
outbound NAT
If a client or server is using Equalizer as a gateway device, their source IP will translated to an Equalizer IP on the egress interface
of Equalizer used to reach the destination network
P
packet
A group of data that is transmitted as a single entity.
passive FTP connection
An Equalizer option that rewrites outgoing FTP PASV control messages from the servers so that they contain the IP address of the
virtual cluster rather than that of the server. See FTP and PASV.
PASV
Passive mode FTP; a mode with which you can establish FTP connections for clients that are behind firewalls. See firewall, FTP,
and passive FTP connections.
pattern match
A pattern of ASCII or hexadecimal data that filters data.
payload
The set of data to be transmitted. A payload contains user information, user overhead information, and other information that a
user requests. A payload does not include system overhead information. Also known as the mission bit stream.
persistence
The act of storing or retaining data for use at a later time, especially data that shows the state of the network before processing
resumes. See cookie and IP-address-based persistence.
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Copyright © 2014 Coyote Point Systems, A Subsidiary of Fortinet, Inc.
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