AI News
09 Feb 2026
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How to fix 403 forbidden error and regain access fast
Fix 403 forbidden errors and get your site back online fast by correcting permissions and server rules
How to fix 403 forbidden error: quick wins
If you are visiting the site
- Check the URL for typos. Paths are case-sensitive on many servers.
- Log in if the page needs an account. Try signing out and back in.
- Hard refresh the page (Ctrl/Cmd + Shift + R).
- Clear browser cache and cookies for that site.
- Try another browser or an incognito window.
- Turn off VPN, proxy, ad blocker, or security extensions, then retry.
- Switch networks (Wi‑Fi to mobile data) to rule out IP blocks.
- Check your device date and time. Wrong time can break auth.
If you own or manage the site
- Make sure the folder has a homepage (index.html, index.php). If not, enable directory listing only if safe.
- Fix permissions: files 644, folders 755. Set correct owner and group.
- Back up and reset .htaccess; test with a clean default.
- Review firewall, WAF, or CDN rules. Remove bad blocks and whitelist your IP.
- Check hotlink protection and geo-blocking. Allow your domain and region.
- Look for rate limiting or bot filters that match normal users.
Server-side causes and fixes
File and folder permissions
- Files: 644 (rw-r–r–). Folders: 755 (rwxr-xr-x). Avoid 777.
- Set the right owner (e.g., web user). On Linux: chown -R www-data:www-data /path.
- If using SELinux, align contexts (restorecon -R /var/www/html).
.htaccess and Apache rules
- Back up .htaccess, then test with a minimal file that has only needed rewrite rules.
- Look for Deny from all, Require all denied, or IP/user-agent blocks.
- Check Options -Indexes. If directory listing is off, add an index file.
- Remove broken RewriteCond/RewriteRule loops that block access.
Nginx config
- Confirm root and index are set in the correct server/location block.
- Use try_files to point to the right script or file (e.g., try_files $uri /index.php?$args;).
- Remove deny all or strict location blocks that catch real pages.
- Reload Nginx after changes and watch error logs.
Security tools, firewalls, and CDNs
- Check WAF events (Cloudflare, Sucuri, ModSecurity). Unblock false positives.
- Allow your server IPs in Cloudflare “Allowlist” if you see 403 on origin requests.
- Turn off hotlink blocking or add allowed referrers (your domain, CDNs, apps).
- Reduce aggressive bot or geo rules. Use challenge mode instead of block.
Authentication and access control
- Fix HTTP auth (.htpasswd) if the page needs a password. Reset users if needed.
- Ensure membership/role plugins do not lock public content.
- Confirm signed URLs or tokens are valid and not expired.
Browser, network, and device issues
- Cache or stale cookies can block access after a login change. Clear them and sign in again.
- VPN IPs may be on blocklists. Disable or switch servers.
- School or office networks can filter pages. Try mobile data.
- Security suites and ad blockers can break requests. Pause and test.
WordPress and other CMS tips
- Disable plugins by renaming the plugins folder via SFTP. Re-enable one by one to find the cause.
- Regenerate .htaccess: Settings → Permalinks → Save (WordPress).
- Security plugins (e.g., IP block, 2FA) can deny admins. Check their logs and rules.
- Fix uploads 403: set wp-content/uploads to 755 and files to 644; clear hotlink rules.
- Headless setups: confirm API routes and auth headers are allowed by WAF/CDN.
When to contact your host or site owner
- If you are a visitor, send the full URL, timestamp, and a screenshot to the site owner.
- If you are the owner, open a ticket with your host. Include steps to reproduce and recent changes.
- Ask for recent WAF hits, permission changes, or mod_security events.
- Request a log review (access and error logs) during the time of failure.
Prevent the error in the future
- Use staging for config changes. Test before you ship.
- Keep backups of configs (.htaccess, nginx.conf) and document rules.
- Automate permissions in deploy scripts (files 644, folders 755, correct owner).
- Monitor logs and uptime. Set alerts on spikes in 403 responses.
- Review WAF and CDN rules monthly. Remove outdated blocks.
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