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Linux networking (Harry Hambi)



Do not disable the IP address 127.0.0.1 as it is used
internally. This address is used when a client task
running locally needs to talk to a server class within
the same machine.

It is the address assigned to the loop back interface.
It is used in unexpected ways. The X-server uses it to
communicate with the local tasks in a desktop machine.
The system uses it to contact the logger daemon. If
you run a database such as postgresql or mysql these
listen on a port on this address for internal
connections. It is also handy to use for testing
command operation but this is not its primary purpose.

Hope this helps

John Larkworthy


	
	
		
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