SSL questions


The NET::ERR_CERT_AUTHORITY_INVALID error occurs when a website’s SSL certificate isn't trusted by the browser. Learn what's causing it and how to...

How to Fix the “SSL Handshake Failed” Error (5 Methods)

The SSL Handshake Failed error occurs when the server and browser are unable to establish a secure connection. Check out these proven methods to fi...

How to Fix ERR_SSL_OBSOLETE_VERSION Warning Notifications in Chrome

If you don't want to scare your visitors away with the ERR_SSL_OBSOLETE_VERSION warning, your site has to drop deprecated TLS versions like TLS 1.0...

WooCommerce and SSL: Why You Need It and How to Set It up for Your Ecommerce

WooCommerce SSL is essential to keep your store secure and protect your customers' data. Here's how to set it up.


A step-by-step guide on how to fix the ERR_SSL_PROTOCOL_ERROR message. This is typically due to a cached SSL state or misconfigured certificate.

How SSL Works and Why It’s Important

Wondering how SSL works? In this entry, we'll tell you what it means, what it does, and why it's important to create a safe, secure web.

SSL Check – How to Verify Your SSL Certificate

After you install an SSL certificate on your web server, you should always run an SSL check to verify that everything is setup correctly.

HSTS – How to Use HTTP Strict Transport Security

Implementing the HSTS (HTTP Strict Transport Security) header on your web server can help prevent man-in-the-middle attacks and cookie hijacking.

How to Redirect HTTP to HTTPS in WordPress

More and more people are migrating to HTTPS due to better security, SEO, and performance. Follow our tutorial on how to redirect HTTP to HTTPS in W...

Do you support HTTP/2 (HTTP2)?

Our FAQ on HTTP/2 can be found here.

How to Install SSL Certificate on Your WordPress Site

Check out our tutorial on how to install SSL certificate on your WordPress site. This will enable HTTPS and prevent data from passing in plain text.

What Is Your Server Type for SSL? My SSL Provider Is Asking.

Use this article to learn which server type to select when purchasing an SSL from your desired domain or SSL provider. Kinsta uses Nginx for all cu...