The 403 Forbidden error is an HTTP status code error, which means that the page or source being accessed is completely banned for some reason. Different web servers report 403 errors in different ways, some website owners even customize the HTTP 403 error, but not common.
Error message 403
Here are the common 403 error messages:
403 Forbidden error displayed inside the browser window, like web pages. Error 403 is the same as all errors of this type can appear in any browser on all operating systems. In Internet Explorer, the message "The website changed to show this webpage" is the 403 Forbidden error, IE's title bar records 403 Forbidden or the like.
Error 403 occurs when opening a link via Microsoft Office programs, the message Unable to open [url] appears. Không thể tải thông tin bạn yêu cầu (Cannot open [url]. Cannot download the information you requested ) within the MS Office program.
Windows Update also reports an HTTP 403 error, but it will display as error code 0x80244018 or with the following message: WU_E_PT_HTTP_STATUS_FORBIDDEN.
The cause of 403 Forbidden error
Error 403 usually occurs when trying to access a website or the source does not have access.
Note: Microsoft IIS web servers provide specific information about the cause of the 403 Forbidden error by combining a number after 403, as in a 403.14 - Forbidden HTTP error, which means that the directory list is lost deny.
How to fix a 403 Forbidden error
1. Check the URL error and make sure to specify the correct file name and extension, not the directory. Most websites are configured to not allow directory browsing, so a 403 Forbidden error message will appear when displaying a folder instead of a specific page.
Note: This is the most common reason causing 403 Forbidden errors. Check your kidneys carefully before taking the following remedies.
Tip: If you are a website owner and do not want to create a 403 error in this case, turn on directory browsing in the web server software.
2. Clear the browser cache. The problem with the site's cache may cause 403 Forbidden issues.
3. Log in to the site. In some cases users need to perform additional access such as logging into the site before being able to view the page. This operation can fix the 403 error.
Typically, a website generates a 401 Unauthorized error when requesting special permissions but it is sometimes replaced with a 403 Forbidden error.
4. Delete browser cookies.
5. Contact the site directly. The admin of the site may not know about the 403 Forbidden error, please find contact information on the site to inform them about this error. Most websites have a technical support social network account, some even provide email addresses and phone numbers.
6. Contact your Internet service provider if you still get a 403 error while your friends still have access to the site. It is possible that your public IP address or ISP has been blacklisted, creating a 403 Forbidden error.
7. Visit the website at another time. When verifying the correct access page and everyone has the same error as you, visit the page after the error has been fixed.
Error with the 403 Forbidden error
The following messages are also client-side errors and involve 403 Forbidden errors: 400 Bad Request, 401 Unauthorized, 404 Not Found, and 408 Request Timeout. There are several HTTP status codes on the server side like 500 Internal Server Error and some other errors.
See also: How to fix 503 Service Unavailable errors
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