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  • Hey #FreeBSD folks!

    Uncategorized freebsd sysadmin
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    Hey #FreeBSD folks!Ten years ago, disk ID labels (/dev/diskid) were often painfully encoded.Today, my WD drives show up cleanly. Is that just a WD thing? Do other vendors show up as encoded crud?If you could look in /dev/diskid and see what you have, I'd appreciate it.(diskID is disabled in 15, you'd need to uncomment kern.geom.label.disk_ident.enable="0" in /boot/loader.conf)TLDR: can I now recommend diskID labels as reasonable, or am I just lucky in my hard drives? #sysadmin
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    New blog post: GeoIP-Aware Firewalling with PF on FreeBSDRunning a mail server means constant brute-force attempts. My solution: geographic filtering. SMTP stays open for global mail delivery, but client ports (IMAP, Submission, webmail) are restricted to Central European IP ranges only.Result: ~90% reduction in attack logs, cleaner signal-to-noise ratio, smaller attack surface.Using MaxMind GeoLite2 + PF tables with ~273k CIDR blocks.https://blog.hofstede.it/geoip-aware-firewalling-with-pf-on-freebsd/#FreeBSD #InfoSec #SysAdmin #pf #DevOps
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    @nuintari It was 2006, I think (or 2007 at the latest), and I went with a colleague to a company - the same one that, incidentally, gave us some decommissioned Digital AlphaStations. They showed me a machine (not connected to the network, obviously) that they were still using for payroll. I couldn't quite tell what it was exactly, but it was some kind of Unix system and it had been rebooted for the last time... in 1986. I believe it’s the longest uptime I’ve ever seen.
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    Finalmente il mio #Mastodon cammina da solo, sul nuovo server di #snowfan.it!Con #masto.host è stato un percorso fantastico, lo consiglierò sempre, ma arriva quel momento in cui vuoi capire davvero cosa succede dietro le quinte.Ora niente più limiti da 200 GB o processi contati, abbiamo oltre 1 TB di spazio, 24 GB di RAM, 6 core e la libertà di gestire ogni dettaglio… anche gli errori, perché sì, se rompo qualcosa la colpa è solo mia 😅Il #self-hosting non è per tutti: serve studio, pazienza e voglia di imparare ogni giorno.Chi preferisce la tranquillità, meglio restare su masto.host.Ma chi vuole spingersi oltre e dominare la propria istanza…benvenuto nel lato oscuro dei #sysadmin. ⚡