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Why Do Japan’s APRS-IS Servers Run on FreeBSD? A Deep Dive Into status.aprs2.net

9M2PJU May 22, 2026

Introduction: What Is APRS-IS and Why Does The OS Matter? If you open https://status.aprs2.net/ right…

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do it yourself firewall free open source software freebsd internet networking open source operating system security

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FreeBSD Firewall Basics: IPFW, PF, and IPFilter for Home Networking

FreeBSD includes three built-in packet filters: IPFW, PF, and IPFILTER (IPF). All support stateful inspection,…