In linux, in networking, what is the use of ports?
Answer
Packets are being sent in steams to the target machine and there are multiple streams of data being sent/received simultaniously. Ports (i.e. port numbers) are used by the kernel to determine which packet goes to which application, as each running application is listening on a particular port (e.g. http server on port 80, ssh on port 22, db on another port, etc)
Question
In linux, in networking, what is the use of ports?
Answer
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Question
In linux, in networking, what is the use of ports?
Answer
Packets are being sent in steams to the target machine and there are multiple streams of data being sent/received simultaniously. Ports (i.e. port numbers) are used by the kernel to determine which packet goes to which application, as each running application is listening on a particular port (e.g. http server on port 80, ssh on port 22, db on another port, etc)
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26. TCP and UDP gins at IHL * 4 + 20 + options * 4 and ends at Length - 1 The minimum combined TCP/IP header is thus 40 bytes. With Internet machines, several applications often communicate simultaneously. The <span>Source port and Destination port fields identify and distinguish individual streams. In the case of web communication, the destination port (from the clients point of view) is port 80, and hence all outgoing traffic wi
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