https://localhost:11501 typically refers to a local development server
running on your computer using port 11501. Localhost is an alias for the IP address , which is known as a loopback address , allowing your computer to "talk to itself". Understanding Localhost and Port 11501 When you see a URL like https://localhost:11501 , it means: Protocol (
Your local server is using SSL/TLS encryption. To avoid security warnings in your browser, you may need a trusted certificate created with tools like mkcert
The server is physically located on your machine and is not accessible to others on the internet by default.
This is the specific "gate" or channel your application is using. While ports like 80 (HTTP), 443 (HTTPS), and 8080 (Alternative HTTP) are common, developers use unique ports like 11501 to avoid conflicts with other running services. How to Access and Share Your Content
If you have an "article" or a project running on this URL, here is how you manage it: How to setup a temporary public URL for localhost (Ngrok)
Usage. No matter which IDE you use (IntelliJ, Visual Studio, Visual Studio Code, etc.) you can now run your local dev server which... Jason Gutierrez Localhost : 404 not found - Stack Overflow
* 11 Answers. Sorted by: You need to add the port number to every address you type in your browser when you have changed the defau... Stack Overflow How to Convert localhost into Public Url with ngrok
hi guys welcome to this short but useful. video sometimes I create my applications. and run on the local host. and before actually... Programming with Umair Viewing Locally : Simply paste https://localhost:11501
into your browser. If you get a "connection refused" error, ensure your local web server (like Node.js, Apache, or a Python script) is actually running. Sharing with Others
: Since localhost is private, you cannot just send this link to a friend. To make it public temporarily, you can use tunneling services like ngrok . Running a command like ngrok http 11501
will generate a public URL that redirects to your local machine. Deploying Permanently
: To make your article a permanent part of the web, you must upload your files to a hosting provider like GitHub Pages , Vercel, or Netlify.
Are you trying to fix a specific connection error with this port, or do you need help setting up a new server? How to setup a temporary public URL for localhost (Ngrok)
Usage. No matter which IDE you use (IntelliJ, Visual Studio, Visual Studio Code, etc.) you can now run your local dev server which... Jason Gutierrez Localhost : 404 not found - Stack Overflow
* 11 Answers. Sorted by: You need to add the port number to every address you type in your browser when you have changed the defau... Stack Overflow How to Convert localhost into Public Url with ngrok
hi guys welcome to this short but useful. video sometimes I create my applications. and run on the local host. and before actually... Programming with Umair Use HTTPS for local development | Articles - web.dev
Run your site locally with HTTPS using mkcert (recommended) To use HTTPS with your local development site and access https://local... How do I properly upload a localhost website online?
2 Answers. Sorted by: 1. Your react frontend doesn't really need a server, you'd need to build a release bundle and that can be se... Stack Overflow Localhost refused to connect: How to fix the issue
hello my name is Castus. and today I'll show you how to fix local host refuse to connect. there are a few common causes for the lo... Hostinger Academy How to Publish Your Website: From Localhost to the Web
you can see that we're just opening a local file right in this case this files inside my users folder inside my username. inside m... Cyber Elias Academy
What is the significance of the 127.0.0.1 IP address in sign-in logs?
The IP address 127.0. 0.1 is called the loopback address and is used by a computer to refer to itself. It is also known as localho... Microsoft Learn What is a Localhost? | OVHcloud Worldwide
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🏠 Enter Localhost: Your Computer's Alias 0.1. Typing 'localhost' in your browser is like saying, “Hello, me!” and connecting dire...
https://localhost:11501 typically refers to a local development server or a specific software service running on your machine using port over a secure (HTTPS) connection While port numbers can be assigned to various applications, is most commonly associated with: Citrix Virtual Apps and Desktops
: Often used for communication between components like the Delivery Controller and the Citrix Cloud Connector. SAP Business One
: Sometimes used for specific internal service communications or the Service Layer. Custom Development
: A developer might choose this port for a local web application (e.g., Node.js, Python, or .NET) during testing. How to use or troubleshoot this URL: Accessing the site https://localhost:11501
into your browser. Since "localhost" refers to your own computer, this will only work if you have a service actively running on that port. SSL/TLS Warnings : Because it is an
address, your browser may show a "Your connection is not private" warning. This is common in local development because the SSL certificate is often "self-signed" rather than issued by a public authority. You can usually click "Advanced" and "Proceed" to view the site. Connection Refused
: If you see "Site can't be reached," it means no software is currently "listening" on port 11501.
Are you trying to log into a specific software dashboard or fix a connection error?
It sounds like you’re referring to a scenario where someone sees a URL like https://localhost:11501/some-path and wants to understand the “full story” behind what that means, why it exists, and what happens when you “look at” it.
Here’s a complete, practical breakdown.
6.1 Local Applications Can Be Malicious
Any software you run (even a seemingly benign Electron app) could start a server on https://localhost:11501 and intercept or modify data sent to legitimate local services.
2. localhost – The Loopback Address
localhost is a hostname that resolves to your own computer’s loopback IP address (127.0.0.1 or ::1). It never leaves your machine. This makes it ideal for testing, but historically, HTTPS on localhost presented a "chicken and egg" problem: SSL certificates are meant for public domains, not localhost.
1. What the URL actually means
https://– The browser should connect using TLS/SSL encryption (secure HTTP).localhost– A special hostname that always points back to your own computer (loopback IP127.0.0.1or::1).:11501– The TCP port number. Port11501is not a standard web port (unlike 80, 443, 8080). It’s a custom, high-numbered port often used by developer tools, local servers, or testing apps./url– A specific path on that local server.
So https://localhost:11501/url means:
“Connect to a secure web server running on my own machine, listening on port 11501, and request the /url endpoint.”