Firewalls
Firewall Rules Explained With Real Examples A firewall is only as good as its rules. Let's write some — and understand exactly what they're doing. I used to think of a firewall as a magic box that "b
May 18, 20254 min read
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#networking
Articles tagged with #networking
nmap scan
I Scanned My Own Network — Here's What I Found Running nmap for the first time is humbling. You realise how much is quietly "open" in your own home. I downloaded nmap, typed one command against my ho
May 17, 20254 min readOSI Model
What is the OSI Model and Why Should You Care? Everyone in networking mentions it. Very few people explain it clearly. Here's my attempt. I once memorised the seven OSI layers for an exam, listed the
May 10, 20254 min read