
June 26th, 2009, 07:18 PM
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Join Date: Jun 2006
Location: Salem, OH
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What you are asking is really beyond the scope of a single paper. This is the topic of literally dozens of books. However, I'll attempt to answer your questions. Quote: | Originally Posted by sethwb 1. Is the firewall the only part of the operating system that controls ports? | Absolutely not. There are several application layers that control network traffic. You should familiarize yourself with the concepts of Application Layering and Network Protocol Stacking. Quote: | Originally Posted by sethwb 2. How many ports are available for use on an XP system? | That depends upon your definition of "available for use". Are you asking however are available in general or how many are available to an application developer? Quote: | Originally Posted by sethwb 3. I was told somewhere that there are 65,000+ ports on any given XP machine, does this include printer/udp/tcp/software ports? | There are 65,535 each of TCP and UDP ports on a system. That is not to imply that all or even most of them are or ever will be in use. Quote: | Originally Posted by sethwb 4. What different kind of ports are there in windows? | Networking ports consist of TCP and UDP ports. While COM1/2, Serial, and PS/2 are also called ports, these are hardware interfaces. The "port" here is the physical connector being used. Take a printer for example. While it may be connected via a parallel port, it still communicates with the computer through a TCP port.
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