IP addresses on local network change

[Joe Zeff]

On 10/07/2014 08:53 AM, Angelo Moreschini wrote:
>
> Just another question, if I can, please:
> it exists some fix relation between the "port number" of the servers
> and the theirs IP number ?

No.  Think of the IP as the machine's phone number, and the port number 
as a particular service's extension.  Thus, to connect to a web server, 
you need to use the machine's IP address and the port number (or 
extension) of the web server.