In a world where software and systems seem to march inexorably toward complexity, I love it when things get simpler. Years ago, Firefox required non-obvious configuration changes to even send traffic to Fiddler. Eventually, Mozilla changed their default behavior on Windows to adopt the system’s proxy, meaning that Firefox would automatically use Fiddler when it was attached,Continue reading “Firefox and Fiddler – Easier than Ever”
Tag Archives: certificates
Edge EV UI Requires SmartScreen
A user recently noticed that when loading Paypal.com in Microsoft Edge, the UI shown was the default HTTPS UI (a gray lock): Instead of the fancier “green” UI shown for servers that present Extended Validation (EV) certificates: The user observed this on some Windows 10 machines but not others. The variable that differed between those machines wasContinue reading “Edge EV UI Requires SmartScreen”
Fight Phish with Facebook (and Certificate Transparency)
As of April 30th 2018, Chrome now requires that all certificates issued by a public certificate authority be logged in multiple public Certificate Transparency (CT) logs, ensuring that anyone can audit all certificates that have been issued. (Update: Microsoft Edge 79+ also mandates CT). CT logs allow site owners and security researchers to much more easily detectContinue reading “Fight Phish with Facebook (and Certificate Transparency)”
NET::ERR_CERT_INVALID error
Some users report that after updating their Operating System or Chrome browser to a more recent version, they have problems accessing some sites (often internal sites with self-signed certificates) and the browser shows an error of NET::ERR_CERT_INVALID. NET::ERR_CERT_INVALID means that a certificate was itself is so malformed that it’s not accepted at all– sometimes rejected byContinue reading “NET::ERR_CERT_INVALID error”
Google Internet Authority G3
For some time now, operating behind the scenes and going mostly unnoticed, Google has been changing the infrastructure used to provide HTTPS certificates for its sites and services. You’ll note that I said mostly. Over the last few months, I’ve periodically encountered complaints from users who try to load a Google site and get an unexpectedContinue reading “Google Internet Authority G3”