Скачать или смотреть 401 Errors | What is a 401 Error? | How to Fix a 401 Errors | Web Development | Website Maintenance

401 Errors | What is a 401 Error? | How to Fix a 401 Errors | Web Development |Website Maintenance

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Welcome to this ProfileTree video!
In this video, we take a look at what 401 error is, how it happens, and how you can rectify the issues that have caused this website error to occur.

A 401 error is an HTTP status code that signifies the client tried to operate on a protected resource without providing the proper authentication credentials. It's often called an "Unauthorized" error.

Here's a simple way to understand this: Let's say you try to log into a website, but you input the wrong username or password. The server could respond with a 401 error because you are not authorized to access the resource (i.e., your user account) with the provided credentials.

There could be a variety of reasons for this error, and solutions depend on the specific situation.

If you're a user:

Check your credentials: If you're trying to log into a website and you get a 401 error, it usually means you've entered an incorrect username or password. Try retyping them or resetting your password if you forgot it.

Check the URL: If you've received the error when trying to access a specific URL, it's possible that you need to log in or provide some sort of credentials. Make sure you're supposed to have access to the URL and that you're logged in if necessary.

Clear your browser cache and cookies: Sometimes, old or corrupted browser data can cause issues. Clearing your cache and cookies might help.

If you're a developer:

Authentication Mechanism: Ensure that your server-side authentication mechanism is functioning properly. If you're using tokens, check that they are being generated and validated correctly. If you're using a service like OAuth, ensure that it's configured correctly.

Proper Header Fields: Ensure that the client-side is sending the correct 'Authorization' HTTP header with the required credentials. This might be a bearer token, basic authentication, or something else depending on your setup.

Session Management: If you're using sessions, ensure they're being managed correctly. Users should receive a session after logging in, and this session should be checked on each request.

HTTPS: 401 errors can sometimes occur if your website is not secure (HTTP) but the endpoint requires security (HTTPS). Always ensure that your website uses HTTPS, especially if it's dealing with sensitive data.

Remember, the specifics will greatly depend on your unique setup, and these are only general guidelines.


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