5 posts
VPNs are sold as magic privacy shields. A clear headed beginner guide to what a VPN actually does, the legitimate uses, and the things it cannot do that the ads imply.
A firewall decides which network traffic is allowed and which is blocked. A beginner friendly guide to how firewalls work, the main types, and what they can and cannot protect.
Every website visit starts with a lookup you never see. A beginner friendly guide to how DNS turns a name like holyghost.sh into an address, and why it matters for security.
From typing an address to seeing a page, a lot happens in a second. A beginner friendly walk through of clients, servers, requests, and responses, the mental model the rest of web security builds on.
The three ideas that make computer networking click: what an IP address is, what a port is, and what a protocol is. A beginner friendly foundation for everything else in security.
