HTTP Error 403 Forbidden Messages: What They Are & How to Fix Them
Hubspot
JANUARY 25, 2019
Your website's home page must be called index.html or index.php -- if it's not, you should rename the homepage to include one of those URL names. You'll then want to make sure your directories are set to 755, your files are set to 644, and your dynamic content is set to 700. Make sure you have an index page.
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