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(Solved) IPS (Suricata) kills network
(programming.dev)
All discussions about the open source, FreeBSD-based firewall called OPNsense.
That's a good point on the memory. I actually installed with ZFS on root instead of UFS like I had on pfSense, which uses more RAM. All the hardware offloading is disabled so I think RAM is the culprit as I've only got 8gb in there.