: Because it is "exclusive" and "local," your data never actually leaves your machine to travel across the physical network.
This is the single most common error you'll encounter. It occurs when a second process tries to bind to a port that a first process has already claimed as exclusive. The solution is to either:
To understand how an application functions exclusively on a custom port like 11501, it is essential to first understand the structure of the host machine's loopback interface. Loopback Networking Explained localhost11501 exclusive
Running internal APIs separate from frontend serving environments. Prevents resource sharing conflicts.
Listed by IANA for specific applications, third-party software, and developer tools. Port 11501 falls directly into this range. : Because it is "exclusive" and "local," your
Check if the application intended for this port (e.g., a specific docker container, Khajane 2, or a proprietary tool) is running. Restart the Application: Close and reopen the application.
: Developers often use specific ports for "exclusive" testing of web applications or databases before they are released to the public. The solution is to either: To understand how
Are you trying to access a like Khajane 2, or are you working on a Solid Pod development project? Local setup Solid-Server gets bugs - Become a Pod Provider
On Windows using IIS Express or a .NET application, you might see a detailed event log entry: