Flamingo Blog.

IP spoofing forges the source address on a packet so replies and blame land on someone else. This guide explains how it works, why it powers reflection DDoS, how it slips past address-based allowlists and LAN defenses, and the filtering a small IT team can switch on in an afternoon.

MMC is the empty Windows console that hosts snap-ins like Services and Event Viewer. The .msc names to know, custom consoles, remote fixes and the 2024 MSC file block.

Windows.old is the previous installation Windows keeps after an upgrade so you can go back. What it holds, the 10-day clock, what to check first, the supported ways to delete it, the takeown fallback, and a script for the whole fleet.

Windows Server runs a sound VPN through RRAS with SSTP and IKEv2. Here is the build, the security review, Always On VPN, and when a firewall VPN or a Zero Trust product is the better call.