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 …

SSD Caching

SSD caching, as usually even other forms of caching, is a computing technology that stores frequently used data to fast cache. This boosts IOPS performance and reduces latency, significantly shortening load times and execution. Caching works on both reads and writes, and particularly benefits read-intensive applications. Caching approach is not new to hard drives, and computing in general. Operating systems like Windows and Linux come with native caching software. Read More …

Windows – Clear Group Policy Cache

That’s quite uncommon, but if we need to clear the local cache of Group Policies Objects (GPO) on a workstation/laptop joined to a domain, there are three main methods we can use to accomplish this activity. 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 …

Microsoft Active Directory Cached Credentials

On Microsoft Active Directory environments, Cached credentials allow a user to access machine resources when a domain controller is unavailable. After a successful domain logon, a form of the logon information is cached. Later, a user can log on to the computer by using the domain account, even if the domain controller that authenticated the user is unavailable. Because the user has already been authenticated, Read More …