On Sat, 13 Apr 2002 firstname.lastname@example.org wrote:
> Check this link,
> "http://www.web-polygraph.org/docs/userman/address.html", 1.1
> Server Side, paragraph 1. It is said, "create the required address
> aliases run-time".
> I often meet with the word "address aliases" throughout the
> document. But I do not know what mean "address aliases". Is it the
> same address or some other address of the server in this case?
An alias address in this context is any non-primary address of the
interface. For example, the loopback interface usually has a primary
IP address of 127.0.0.1. If you add ten more IP addresses to the
loopback interface, they can be called aliases.
For most practical purposes the alias IP address is indistinguishable
from the primary IP address of the interface. Documentation refers to
aliases to emphasize the fact that those addresses are usually created
specifically for testing purposes, in addition to primary IP
addresses. However, again, Polygraph usually treats all IP addresses
In general, you need aliases when you want robots or servers to use
multiple IP addresses or addresses that differ from primary addresses
of the network interfaces.
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