Learning About IP Ports

• A ->

  What is an IP Port Answer below/

  In TCP/IP networking ports are the endpoint to a logical connection. When you type in a web site address your computer is opening up a connection on a remote port and asking for the web pages to be sent to your computer. There are a total of 65535 ports total. 

  For example :

  Port Number	Port Name	TCP/UDP
  20	FTP-Data	UDP
  21	FTP-Control	UCP
  22	SSH Remote Login Protocol	TCP
  23	Telnet	TCP
  25	Simple Mail Transfer Protocol	TCP
  53	Domain Name System	UDP
  69	Trivial File Transfer Protocool	TCP/UDP
  80	Hypertext Transfer Protocol (Web)	TCP/UDP
  443	HTTP over SSL->HTTPS	TCP/STCP/UDP

  Every Packet of Transmision is using a IP PortRead More

• B ->

  Destination Ports Are Server Applications Read below..

  Destination ports may be or are "well-known ports" (0-1023) for the major applications over Internet, such as Web Site and e-mail. For example, all port via 80 packets (HTTP packets) are directed to and processed by a Web server that has a Service Running for ex. Apache Server, IIS Server or Tiny HTTP Server. Also, users can "registered ports" (1024-49151) those are assigned to applications that are mostly by a specific system or brand, such as Lync, Skype and Filezila, Emule, etc. Please, see well-known port, port forwarding and opening a port.Read More