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How do I find my port number?

Step 1: Send the following text message - PORT followed by your 10-digit mobile number to TRAI's central number for mobile number portability -  1900 . Example: Send 'PORT 98xxxxxx98' to  1900 . You'll receive an SMS back with a Port out code. Then type “netstat -a” and press “Enter.” A list of all your active TCP/IP connections will populate. The  port numbers  appear after the IP address with a colon separating the two. For example, if your IP address is 192.168.1.1 and you see an entry for 192.168.1.1:2869, it means  port  2869 is open. A port number is a way to identify a specific process to which an Internet or other network message is to be forwarded when it arrives at a server.  For the Transmission Control Protocol and the User Datagram Protocol, a port number is a 16-bit integer that is put in the header appended to a message unit.  This port number is passed logically between client and server transport layers and physically between the transport