Ravenhub Blog

A complete Guide on what DFL even is, to how to upgrade it, and what to do if something goes wrong. If you've been running Active Directory for a while, chances are you're due for a Domain Functional [...] Read more

Below is a friendly, step-by-step guide to resizing a Linux VM’s disk without creating a new partition. We’ll walk through extending the last partition on a disk, resizing a Physical Volume (PV), [...] Read more

Occasionally, you might encounter a service that unexpectedly gobbles up your system's resources. For example, I once set up an SSH honeypot to capture malicious bot activity—but when random bots [...] Read more

When I first set up my email server to handle messages for my domains, I noticed a concerning issue: the outgoing email headers included sensitive information, such as my home IP address and the [...] Read more

Setting up a honeypot on your server can be an effective way to monitor, log, and analyze potential attacks, as well as learn about common hacking techniques. By setting up a honeypot, you can create [...] Read more

When running a few Active Directory (AD) scans to check for any open vulnerabilities or misconfigurations, I discovered that one of our trusts was marked as not having SID filtering enabled. For [...] Read more