Sunday, May 2, 2010

Socket

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A socket may sound like something physical on the PC, but it's not. The socket is simply a combination of IP address and port number. For example, the socket on 10.1.1.2 for port 69 is 10.1.1.2:69. That socket can also be expressed with this format :

(IP address, transport protocol, port number)

That would make the TFTP socket on that PC (10.1.1.2, UDP, 69)

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