What is a port and what are port numbers?

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When I try to open a web page sometimes I see the error message http:port cannot be found.

What do they really mean?

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Best Answer by john.s
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Answered By 0 points N/A #128739

What is a port and what are port numbers?

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A port can be understand as a kind of software- or programming-related docking point through which information travels from a program on your computer or to your computer from the Internet or another computer in a network.

port number is used to  differentiate between different services that run on transport layer protocols such as UDP, TC,DCCP etc.

Port numbers are linked to network addresses and allow different kind of applications on one PC to share network resources.

An example of port number can be TCP, it is known as a transmission control protocol and used for data transmissions on the Internet.

Answered By 0 points N/A #128740

What is a port and what are port numbers?

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Hi there!

The port numbers along with their associated addresses work like a telephone numbers with its associated extensions. To connect to a given internet web address, a unique number just like the   telephone number enables you to call a specific number using the public network.  Most of many organizations configure their phone networks to make use of phone extensions.

From outside; all these extensions associate with only one telephone. A port number of a network works in the same manner a telephone extension would work. Addresses to a network and port numbers identify both computers and the channels that computers were communicating within the network.

Answered By 0 points N/A #128741

What is a port and what are port numbers?

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Hi,

“http:port cannot be found” it is a connection problem. First for all check your connection. If you are using cable connection then check carefuly. Is it working properly or not? Plug your cable connector perfectly with your pc. Then try to connect the internet.

May be you need an IP address to access the internet. If you don’t know that then collect it from your ISP company. Then use this IP address to connect. If you do not installed TCP/IP protocol then install it. It is necessary if you are connecting through router.

If you are using modem and GSM then create a dial up connection properly. Select your country perfectly and use prefect dial up number to connect internet.

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