We have added documentation and f.a.q. for the most common issues and questions which arise during installation and configuration. Please contact support for assistance if needed.

Really Simple SSL - Hardening

Tackle WordPress weaknesses and fortify your website with Really Simple SSL 6.0

Really Simple SSL Pro

Let's Encrypt

Security Headers

Common Issues

Mixed Content




Email notification doesn’t show correct content

Email notifications are sent when triggered by certain features or possible updates from Really Simple SSL. This is what you need to know: The email is sent to your email, either defaulted to the admin email or, if entered, the email under General Settings. The

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About email notifications from Really Simple SSL

Email notifications are new in Really Simple SSL. They are not enabled by default, but we strongly recommend using this new feature so you’re up-to-date and notified when to take action. These emails will be used when important features are enabled, and a double-check might

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Steps to take after migrating to SSL

Step 1. Mixed Content Scan After installing Really Simple SSL and activating SSL, it is still possible that your site is flagged as not secure. The most common cause for this is ‘Mixed content’. If you do not see the secure lock in your browser address

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DISALLOW_FILE_EDIT is defined and set to “false”

When activating the “Disable the built-in file editors” feature under Settings > Hardening in Really Simple SSL, you may receive a notice that “the DISALLOW_FILE_EDIT constant is defined and set to false” as shown in the below image. When DISALLOW_FILE_EDIT has been defined in the

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HTTP Status codes (Server 500 or 404 Errors)

Unfortunately we all see a 404 error from time to time. It is the most well-known HTTP Response code (or status code). The HTTP response code is a response from the server to the client, which usually is the site visitor’s browser. The response codes

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Locked out after renaming the admin username

When attacking WordPress websites, guessing usernames and passwords is still a commonly used method to gain access to a WordPress back-end. It goes without saying, that using easy to guess passwords like ‘12345’ or ‘Welcome2022’ will make it really easy for attackers to login to

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