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 …

MacOS X – Managing Gatekeeper (Terminal)

Gatekeeper is a feature available on MacOS X systems to block, by default, any application that is not installed from the Apple Store, for security reasons (all apps on Apple Store are validated and certified by the original developers). Let’s see how to manage this feature on MacOS X systems by accessing to it using command line (using Terminal). Read More …

MacOS – Edit hosts file

If you are setting up a new web server or another device that’s going to be connected to the internet and you want to put it through its paces before it’s live, or if you’re having trouble with spyware and adware networks, there’s an invisible file on your Mac that can help. It’s called the hosts file, and this is how to use it. Read More …