Broadband Security Router User Guide
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Communication Protocols
Communication between devices requires they agree on the format in which the data is
to be transmitted, sent and received. The communications protocols are a set of rules
that define the data format.
Cookie
A Cookie is a piece of data stored on your PC while a web server can retrieve late to
identify your machine. It is normally a text with ID number, but cab include other
information.
DHCP
DHCP, short for Dynamic Host Configuration Protocol, is a protocol for assigning
dynamic IP Addresses to devices on a network. Dynamic Addressing means that a
device can have a different IP Address each time it connects to the network. It can save
a lot of IP configuration. This protocol is supported by Windows 95/NT, Mac OS, and
many other popular OS.
Domain Name
A name that identifies one or more IP Addresses. For example, the domain name
microsoft.com represents about a dozen IP Addresses. Domain names are used in URLs
to identify particular Web pages. For example, in the URL
http://www.pcwebopedia.com/index.html, the domain name is pcwebopedia.com.
DoS
DoS is the abbreviation for Denial of Service. This occurs when a computer or network
is overwhelmed to the point that it can no longer function normally. For example, a
hacker may use fake IP addresses to accumulate numerious connections to flood the
server he wants to attack.
DDNS
DDNS is an acronym for Dynamic Domain Name Service. It helps map the domain
name of a host which has a dynamic public IP address to the IP address that in allocated
each time the ISP assigns a new IP address.
DNS
Short for Domain Name Server, DNS translates domain names into IP Addresses and
helps us recognize and remember domain names as they are alphabetic in form. The
Internet actually runs on numbered IP Addresses. DNS servers translate domain names
