this post was submitted on 16 Jan 2024
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OPNsense

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(Solved) IPS (Suricata) kills network (programming.dev)
submitted 9 months ago* (last edited 5 months ago) by [email protected] to c/[email protected]
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Hey all, I've been trying to figure out why enabling IPS kills my network. I have some services I host and would like to get some sort of IPS running. I used to have Snort running through pfSense and didn't experience issues like this.

Edit: as an update to this, I resolved it by installing the realtek plugin.

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[–] [email protected] 2 points 9 months ago

I don't think it's the IPS rules themselves because they were set to Alert only. I just enabled a few of the standard rule sets that are available.

I'm using a Beelink GK55 and seemed to be fine with pfSense.

As for the topology, I've got one ipv4 WAN gateway on one NIC, and the other NIC is for the LAN which connects through a couple UniFi switches. There are 3 VLANs as well.