Journal

Thoughts, tutorials, and insights

August 10, 2026

IP Masquerading: How Linux NAT Lets Your Whole Network Share One Public IP

Linux Networking If you’ve ever set up a Raspberry Pi as a home router, shared a Wi-Fi hotspot from a…

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August 10, 2026

iptables and firewalld

What are iptables and firewalld? Two tools, two philosophies, one underlying kernel If you manage Linux servers, sooner or later…

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