Clear HSTS settings cached in browser (Chrome, Brave, Firefox, Safari, EDGE)

HSTS was created in response to an HTTPS vulnerability that was discovered by computer security researcher Moxie Marlinspike. With HSTS protocol, the website forces the browsers to open the website strictly with HTTPS only. In this article we can see how to clear HSTS entries cached in browsers to get access again to websites that have been refreshed server-side (certificate renewed or CA changed) or for corrupted entries client-side. Read More …

What are Data URLs?

A Data URL is a URI scheme that provides a way to inline data in a document, and it’s commonly used to embed images in HTML and CSS. Data URLs are a form of Uniform Resource Locators, although they do not in fact remotely locate anything. Instead, the resource data is contained within the URL string itself as a base64-encoded string. This saves the browser from having to make additional HTTP requests for the external resources, and can thus increase page loading speed. Read More …

Internet Explorer 11 – SChannel – The internal error state is 10013

You may run into Schannel – The internal error state is 10013 message if your website fails establishing TLS connection and usually this could occur using Internet Explorer 11 to connect to modern websites or portals that are using TLS 1.2 or better protocols for encryption. Read More …

Windows Server 2016 – Disable Internet Explorer Enhanced Security Configuration

In most Windows Server systems, Enhanced Security Configuration (IE ESC) is designed to protect a server from dangerous websites capable to infect system with malware. When this mode is enabled (it is by default) you will need to add each website you want to see to the Trusted Sites Zone to open all its content in IE. Read More …