The numbers following the colon in an IP address, such as 49342 and 62893, represent port numbers. Ports are logical endpoints for communication and help distinguish different types of network services on a single device. For instance, the IP code 127.0.0.1:49342 indicates that data is being sent to port 49342 on the loopback address. Each port number corresponds to a specific process or service. This mechanism allows multiple network services to coexist on a single device, enabling a computer to run a web server, an email server, and other services simultaneously without conflict.
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