Tag Archives: security

Disabling TLS/1.0 and TLS/1.1 in the new Edge Browser

UPDATE: Timelines in this post were updated in March 2020, October 2020, April 2021, and October 2021 to reflect the best available information. HTTPS traffic is encrypted and protected from snooping and modification by an underlying protocol called Transport Layer Security (TLS). Disabling outdated versions of the TLS security protocol will help move the webContinue reading “Disabling TLS/1.0 and TLS/1.1 in the new Edge Browser”

Restrictions on File Urls

Last Update: October 1, 2025 For security reasons, Microsoft Edge 76+ and Chrome impose a number of restrictions on file:// URLs, including forbidding navigation to file:// URLs from non-file:// URLs. If a browser user clicks on a file:// link on an https-delivered webpage or PDF, nothing visibly happens. If you open the Developer Tools console on the webpage,Continue reading “Restrictions on File Urls”

Aw, snap! What if Every Tab Crashes?

Update: I wrote a more comprehensive post about troubleshooting browser crashes. For a small number of users of Chromium-based browsers (including Chrome and the new Microsoft Edge) on Windows 10, after updating to 78.0.3875.0, every new tab crashes immediately when the browser starts. Impacted users can open as many new tabs as they like, butContinue reading “Aw, snap! What if Every Tab Crashes?”

Web-to-App Communication: App Protocols

Note: This post is part of a series about Web-to-App Communication techniques.Last updated: June 4, 2025 Just over eight years ago, I wrote my last blog post about App Protocols, a class of URI schemes that typically1 open another program on your computer instead of returning data to the web browser. A valid scheme name isContinue reading “Web-to-App Communication: App Protocols”