Comment on Self-Hosting a DNS Sinkhole is really important
Unfold1127@lemmy.world 4 days agoThe downside is OPNsense is it’s information light, and a bit inscrutable lol I’m having an issue with my WAN dhcp going offline, seems to be happening on a cadence. My modem is fine, connection is valid. Rebooting the OPNsense box fixes it. Losing my mind a bit but I’ll figure it out 🙃
MuttMutt@lemmy.world 4 days ago
Try setting a tunable of:
net.link.ether.inet.max_age = 540
By default FreeBSD sets a 20 minute ARP maximum age while many ONT’s set a 9 minute maximum age. This will show up as performance issues initially then cause other issues.
Also Realtek NIC’s are notorious for issues with FreeBSD, so if you are using one replacing it with an Intel one is highly recommended.
Unfold1127@lemmy.world 3 days ago
I believe it was the realtek NIC and some settings offloading to the hardware I set during troubleshooting. Installed the Realtek driver in the plugins and changed those settings and so far no instability! Thank you for the tunable suggestion though I will also be checking that out!
MuttMutt@lemmy.world 3 days ago
No problem.
Be sure to set a cron job for updating the DNS Blocklists, running zcrubs, smart tests, and trim if you are using a ssd.
I am working on a way to do snapshots for the system as well for super simple restores that are automatically created. Before an update you WILL want to have a snapshot available. Once snapshots are automated I will probably start doing automatic updates. It basically creates a system similar to how an immutable OS works, if something goofs you can simply roll back to a previous working state and pause updates. I previously had a script I setup via a cron job but the system removed the job during an update.
Unfold1127@lemmy.world 3 days ago
These are huge! Thank you for the suggestions I will get to implementing all of these. The only thing I’ve done so far similar to what’s in this list is backing up to my git repo, which is very nice. Every setting change gets committed. Is that different than snapshotting?