Localhost-11501 -

Another application is already using port 11501. Solution:

Port 11501 is not a standard web port (like 80 or 443), but it is often used by:

By default, many servers bind to 0.0.0.0 (all network interfaces). This means localhost-11501 is also reachable from other devices on your local network via your machine’s private IP (e.g., 192.168.1.100:11501 ). If that is unintended, bind explicitly to 127.0.0.1 . localhost-11501

: Ensure there is no space between the colon and the number (e.g., localhost: 11501 will fail).

For Docker containers: docker stop <container_name> . Another application is already using port 11501

Finally, we arrive at 11501 . This is the port number. If an IP address is a building, a port is a specific window or door into that building. Computers do not simply receive data as a single, indistinguishable glob; they use ports to organize incoming and outgoing traffic. There are certain ports that are universally recognized—Port 80 for standard web traffic, Port 443 for secure encrypted traffic, Port 25 for email. These are the grand public thoroughfares of the digital city, heavily guarded, standardized, and bustling with activity.

In some regions, specifically India, port 11501 is associated with the Khajane II treasury application or digital signature services [2]. If that is unintended, bind explicitly to 127

Certain backend services use high-number ports to avoid conflicts with standard web traffic. Troubleshooting "Refused to Connect"

: Certain enterprise middleware and administration tools bind to unique 5-digit ports above 10000 to minimize conflict with consumer software.

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