What is a 403 Forbidden Error and How To Fix It

A lot goes into the seemingly simple process of navigating the modern Internet environment, and sometimes, despite our best efforts, users are left disappointed. Every time these hopeful users access websites, clients and servers spring into action — or, at least, that is what’s supposed to happen.

Sometimes, these connections fail for reasons that are difficult for both users and web admins to discern. Thankfully, error codes are here to help diagnose and troubleshoot such issues. The HTTP error 403 code can be incredibly frustrating, denying users access to web pages. Having a large number of them on a site can then also erode trust in the brand.

Determined to avoid 403 errors? Below, we’ll describe in detail what these client-side errors mean, the possible causes behind them, and what users can do to clear out these errors.

What is a 403 error?

The 403 HTTP status code, in its most basic form, means that a client does not have permission to access a particular web server or internet page. A 403 error represents an issue with the client and can occur regardless of whether the user is operating on Google Chrome, Firefox, Safari, or other web browsers. Thankfully, the problem preventing the server from allowing access to a particular page is usually fixable.

Common causes for the 403 forbidden error

There are several different reasons why a web browser may get an access denied message along with an HTTP 403 forbidden message. Often, the problem is simple: individual files are misconfigured. Server configuration files such as .htaccess could be infected with malware, prompting various issues. Home page files could also be a culprit, as anything not named index.html or index.php could lead clients to a dead end.

Other 403 errors result from issues with file permissions. As clients attempt to access files, folders, or even entire directories, they could be turned away if the server doesn’t recognize the licenses being shown by the client. This is a standard error in web hosting, as most users will be allowed to access files but not make any changes to them or save them on the server.

While the client technically causes 403 forbidden errors, as they do not have the proper permissions to access the file, there are some exceptions in which the website meant to be accessed is to blame. WordPress hosts, in particular, often see these errors pop up specifically for users attempting to access sites in which specific WordPress plugins are misconfigured.

The host cannot access the wp-content folder in the leading WordPress directory. In this case, faulty security plugins or settings are typically to blame.

Another common cause for an HTTP 403 forbidden error? An incorrect or outdated domain name. Double-check that the web address is correct and try again. If this fails, the host of the domain may have changed. The host may have even set up a new access permissions configuration, which may keep the client out.

Troubleshooting and fixing the 403 error

While it’s often not particularly difficult to fix a 403 error once the culprit has been found, getting to that point may take some time. That’s because there are so many different ways in which the 403 forbidden error could be triggered. Some of the best methods for troubleshooting and solving these errors on the client side include:

• Confirm that the URL of the website is correct.
• Use a virtual private network (VPN) to access the site if an IP address issue is to blame. Conversely, disconnecting from a VPN currently in use could also do the trick.
• Clear out the web browser cache, along with any cookies that may be saved in the web browser. It’s an old tactic, but one that’s surprisingly effective at solving simple issues with internet surfing.

Keep in mind that it’s entirely possible for site assets that are being accessed to be hot-linked. Hotlinking occurs when users display images on their websites but rely on the URL of the sites that host these image files. In this situation, the server will not allow access.

A helpful analogy: imagine charging admission to see a prized painting, and yet would-be customers can easily view the artwork through a window outside the venue instead. For obvious reasons, many websites will block hot-linked images with an HTTP error 403 to keep unwanted web traffic away.

Business-oriented website owners or web admins may notice users having issues with 403 forbidden errors. In this situation, a few simple steps can be taken to fix the problem or limit the damage:

• Double-check all file permissions via FTP or in the file manager. An FTP client will allow the host to assign permissions to everything from directories and folders to individual files.
• Add a default directory index that clients can use to access the site. The Apache web server software that has become the standard for internet communication must be configured with the proper directory index, often set as index.php or index.html.
• Scrutinize any WordPress plugins that may be in use and turn off any suspected to be at the heart of the problem. This trial-and-error method of disabling plugins might not be particularly time-efficient, but it should eventually lead to the culprit.
• Delete the .htaccess file and create a new one. This vital configuration file can sometimes become misconfigured or corrupt, preventing clients from making a secure connection. Deleting the file and starting fresh could solve the problem. Under this approach, WordPress can create a new .htaccess file in the Permalinks settings page simply by clicking Save Changes.
• Update all software and plugins. It’s easy for website owners to forget the basics of web maintenance, such as regularly updating software and plugins. Any time it becomes evident that vulnerabilities might exist within poorly updated software or plugins, it is essential to take action immediately. Vulnerability scanning may be a more reliable solution for those with limited experience in web security.
• If using a Content Delivery Network (CDN) for specific files, turn it off to see if that impacts authentication. Conversely, if a CDN isn’t in use, it could be a good idea to utilize one to optimize browser speed and content delivery.

When to contact the experts

It can take a lot of time and effort to deal with 403 errors alone. From tinkering with the control panel to reconfiguring folder permissions and often consulting online tutorials, it’s easy to waste precious resources on a problem that can only sometimes be solved by novice web admins. In some situations, the problem is beyond the control of the website owner.

Sometimes, the standard advice will only play out somewhat. Various internet service provider (ISP) settings or firewall protections could be responsible for the errors — and in these situations, there is little that ordinary web owners or web admins can do to mitigate the problem. At some point, it may be prudent to contact the web hosting provider or server administrator to see if they can shed some light on the issue.

Protect your website with digital chic.

If you have noticed that your website is continually plagued by 403 and other types of error codes, it’s time to take action. These codes are a bigger deal than they may seem — they prevent potential clients or customers from accessing your web content and may also damage your reputation. Unfortunately, you likely lack the time, experience, or knowledge to resolve these errors independently.

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