Variations of 401 Authentication error
This error can occur in the below forms also:
Error Code |
Description |
---|---|
401.1 |
This error indicates that the login has failed for some reason. |
401.2 |
This error indicates that the login has failed due to server configuration issues. |
401.3 |
This error indicates that the login has failed due to an Access-Control List (ACL) on the resource. |
401.3 |
This error indicates that authorization has been failed by the filter. |
401.501 |
This error indicates that too many requests have been generated by the client, i.e., the maximum request limit has been reached. |
401.502 |
This error occurs when a specific client (same IP) makes too many requests on a single server, reaching the dynamic IP Restriction Concurrent request rate limit. |
401.503 |
This error indicates that the IP address of the client is on the deny list of IP restrictions on the server-side. |
401.504 |
This error indicates that the hostname of the client is on the deny list of IP restrictions on the server-side. |
How to Fix a 401 Unauthorized Error?
Are you seeing a 401 Unauthorized Error and wondering how to fix it? The 401 Unauthorized Error is an HTTP status code error that represents the request sent by the client to the server that lacks valid authentication credentials. It may be represented as “401 Unauthorized“, “Authorization required“, or “HTTP error 401- Unauthorized“. It represents that the request could not be authenticated. It consists of a www-Authenticate header which contains a hint on how to authorize correctly. Fortunately, solving this issue is usually straightforward.
This common error pops up when there’s a problem with your login credentials or your browser settings. It simply means that the server won’t let you access a webpage because it doesn’t recognize you or your permissions. In this article, we’ll break down what the 401 Unauthorized Error means, common causes, and step-by-step solutions.
Fix a 401 Unauthorized Error(5 Methods)
- What is the 401 Unauthorized Error?
- Causes of 401 Unauthorized Error:
- How to Fix a 401 Unauthorized Error?
- 1. Check The URL
- 2. Flush the DNS
- 3. Clear Browser Cookie and Cache
- 4. Logging out and Logging in again
- 5. Website mistake
- Variations of 401 Authentication error