After starting the server, open the following link: [Local development server](http://localhost:11501)
Malicious websites cannot access your localhost unless you run unsafe scripts. Never download untrusted software that claims you need to open a localhost link to fix a computer error.
—likely related to remote workstation management or a custom programming project—is active on your machine. Without the corresponding software running in the background, the link will simply return a "Connection Refused" error. Are you trying to troubleshoot a specific piece of software, or are you setting up a new development environment localhost11501 link
Two applications want port 11501. Solution:
Browsers block local addresses if they mistake them for unsecured channels. After starting the server, open the following link:
: Developers often use high-range ports like 11501 to run local Node.js, Python , or Docker services during the testing phase.
Some VPNs or corporate proxies redirect localhost traffic. Disable them and retry. : Developers often use high-range ports like 11501
In networking, (represented by the IP address 127.0.0.1 ) is a loopback address that allows a device to call itself. Adding :11501 tells the computer to send data to a specific "door" or port where a background process is listening. Common uses for this port include:
try const response = await fetch('http://localhost:11501/api/data'); const data = await response.json(); console.log(data); catch (error) console.error('Cannot reach localhost:11501:', error.message);
: This is the default hostname pointing back to your physical machine. When typed into a browser, it maps to the standard IPv4 loopback address 127.0.0.1 . This means your data travels through an internal, virtual network adapter without ever hitting the physical internet or your external router.
The string localhost:11501 acts as a directive for a computer’s operating system. It instructs the machine to route network traffic to itself (localhost) and target a specific communication endpoint (port 11501). While standard web traffic typically occurs on port 80 or 443, custom ports in the 5-digit range, such as 11501, are frequently utilized in development environments, gaming servers, or specialized microservices architectures.