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  • No : 343
  • Open Date : 2013/03/04 13:40
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Please explain: Port number

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Answer

A sub address set below the IP address to connect multiple parties simultaneously for communication (TCP, UDP, etc.) on the Internet.

[HTTP port]
The port number to which web browser transmit HTTP data.

Available port number: 1 - 65535
Default: 80 or 8080

The following port numbers are unavailable since they are already in use.
20, 21, 23, 25, 42, 53, 67, 68, 69, 110, 123, 161, 162, 443, 554, 995, 8181, 10669, 10670


[SMTP port]
The port number to which E-mails are sent.

Available port number: 1-65535
Default: 25

The following port numbers are unavailable since they are already in use.
20, 21, 23, 42, 53, 67, 68, 69, 80, 110, 123, 161, 162, 443, 995, 8080, 8181, 10669, 10670

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