What's the difference between 403 and 404?

The main difference is that 404 Not Found means the server can't find the requested resource (the page or file isn't there), while 403 Forbidden means the server understands the request but refuses to fulfill it, indicating you lack the necessary permissions to access it. Think of 404 as a missing item in a library, while 403 is an item that exists but is kept in a restricted section you can't enter.
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What is the difference between 404 and 403?

403 Forbidden

If the request method was not HEAD and the server wishes to make public why the request has not been fulfilled, it SHOULD describe the reason for the refusal in the entity. If the server does not wish to make this information available to the client, the status code 404 (Not found) can be used instead.
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How is a 403 different from a 404?

Instead, return a 404 Not Found if consumers can't do anything about it (so from their perspective, it does not exist) and return a 403 Forbidden along with a meaningful message if they can request access.
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Does 403 mean a site is down?

The 403 Forbidden error means that your server is working, but you no longer have permission to view all or some of your site for some reason.
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What is the error code 403 vs 404 vs 401?

If user is logged in or their credentials are incorrect, return a “401 Unauthorized” response. If the requested resource is not found, return a “404 Not Found” response. If user doesn't have sufficient access rights to this resource, return a “403 Forbidden” response.
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OK, but What Are The Other 403 Errors?

Does 403 Forbidden mean I'm blocked?

A 403 Forbidden error is an HTTP status code that means the server understood your request but won't allow it. In simple terms, you're not allowed to access the resource, even though the server knows what you're asking for.
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What is the difference between 404 and 401?

401 Unauthorized means you lack proper login/credentials for a page (authentication issue), while 404 Not Found means the server can't find the requested file (resource missing). Think of 401 as "ID check failed," and 404 as "That address doesn't exist," both common web errors but for different reasons, with 404 sometimes used for security if the server doesn't want to reveal why (e.g., not logged in vs. resource doesn't exist). 
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What causes a website to go down?

Websites go down due to various issues like overwhelming traffic spikes, server failures (hardware, power outages, hosting provider problems), software bugs (bad code, outdated plugins), security breaches (hacks, malware), human errors (admin mistakes, misconfigurations), DNS issues, or even expired domain registrations, disrupting the connection between users and the server hosting the site. 
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Can clearing cookies fix a 403 error?

1. Clear your browser cache and cookies. Browser cache stores outdated files, which can conflict with updated site permissions and trigger a 403 error.
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Is error 403 a ban?

The HTTP 403 Forbidden client error response status code indicates that the server understood the request but refused to process it. This status is similar to 401 , except that for 403 Forbidden responses, authenticating or re-authenticating makes no difference.
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When to use forbidden 403?

“403 Forbidden” is a standard HTTP status code indicating that the web server understands the request but refuses to authorize it. This could be due to permission issues, incorrect file permissions, or server configuration problems.
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Is error 404 the god of the multiverse?

Error 404 claims to be the "God of the Undertale Multiverse", in fact this is entirely true as he is actually a god and not a demigod or a self-titled god. He is the god representing monism and balance.
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How is a 403 different from a 401?

403(b) plans and 401(k) plans are very similar but with one key difference: whom they're offered to. While 401(k) plans are primarily offered to employees in for-profit companies, 403(b) plans are offered to not-for-profit organizations and government employees.
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Does 404 mean blocked?

A 404 error simply means the server couldn't find the page you were looking for. If you were blocked from a site or denied permission, you'd likely see a different error, such as a 403 Forbidden or 401 Unauthorized. A 404 is a navigation issue, not a security one.
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What triggers a 404 error?

A 404 error happens because the web server can't find the specific page or resource you're looking for at the requested URL, often due to a mistyped address, a deleted or moved page, or a broken link, signifying a digital "dead end" where the server is working but the content isn't located at that address.
 
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Is 404 a warning?

A 404-error means that the requested page is not found. In contrast, a 500 Internal Server Error indicates that the server encountered an unexpected condition that prevented it from fulfilling the request. Essentially, a 404 error points to a client-side issue, while a 500 error suggests a problem on the server's side.
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Is it better to clear cache or cookies?

Clearing cache and cookies can be beneficial in certain situations. Cookies store information about your browsing habits and preferences, while the cache stores temporary data to improve website loading speed. Clearing them can help resolve issues like website errors or slow loading.
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Is error 403 permanent?

A 403 Forbidden error can be temporary (like a server glitch or IP block) or permanent (due to insufficient permissions, misconfigured files, or deliberate access denial), meaning it's not inherently one or the other; it depends on the server's configuration, but often involves application logic or security settings that prevent access, requiring a site owner to fix it for a lasting resolution. 
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Is a 403 error my fault?

Although 403 forbidden errors are classified as client errors, the refusal comes from the server. In most cases, the problem is insufficient permissions to access the requested resource, but in some situations, the website's own configuration is at fault.
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How to tell if a site is being blocked?

To check if a website is blocked, try accessing it from a different network (like mobile data) or device, use online tools like Open Rights Group's Blocked checker, and run command-line tools like ping or traceroute (tracert) to see where the connection fails, often indicating ISP or network-level filtering. Analyzing error messages and checking Google's Transparency Report can also reveal if the site is filtered or blocked. 
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How do I get my website back online?

Lost Your Website? Here's How to Restore It
  1. Step 1: Diagnose the Cause of the Website Loss. ...
  2. Step 2: Contact Your Hosting Provider for Immediate Help. ...
  3. Step 3: Restore from a Website Backup. ...
  4. Step 4: Check Your Domain and DNS Settings. ...
  5. Step 5: Use the Wayback Machine to Recover Archived Content.
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Why is the biggest internet crash?

On June 24, 2019, many parts of the Internet faced an unprecedented outage as Verizon, the popular internet transit provider accidentally rerouted IP packets after it wrongly accepted a network misconfiguration from a small ISP in Pennsylvania, US.
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Should I return 403 or 404?

Returning 404 for Unauthorised Access

And in most cases, this is exactly what you want to do. However, the downside to this is that if someone is maliciously trying to probe your application for resources, returning a 403 can inadvertently confirm the existence of that resource.
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What is 404 slang for?

In slang, "404" means clueless, stupid, or mentally lost, referencing the internet's "404 Not Found" error for a missing webpage; it's used humorously for someone who can't find something or doesn't understand. It can also refer to someone or something that is absent or unavailable, like a missing file. 
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What is the 404 limit?

Code Section 404 applies limits to employers. The section allows plan sponsors to make deductible contributions to the qualified retirement plans they sponsor; in general, these contributions cannot exceed 25% of eligible compensation.
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