Intrusion Detection and Prevention

Performance tuning for IPS maximum performance

Started by dcol

Pages1 2 3 ... 8

Replies: 109
Views: 513,433

June 16, 2026, 06:56:19 PM
by Seimus

Using Rulesets in Suricata IPS

Started by dcol

Pages1 2

Replies: 28
Views: 201,455

July 23, 2025, 09:53:11 AM
by Nibras Al-Afoun

Suricata IDS dropping outbound traffic

Started by marcusdevane

Replies: 0
Views: 122

October 07, 2026, 03:41:39 PM
by marcusdevane

Suricata 8.0.6 — eve.json never written despite engine running and processing tr

Started by Abdikarim001

Replies: 3
Views: 701

September 20, 2026, 05:09:55 AM
by runo10

Interface Configuration for Suricata

Started by spetrillo

Replies: 0
Views: 231

September 19, 2026, 11:19:18 PM
by spetrillo

Suricata alerts after interface change

Started by lylybr

Replies: 0
Views: 296

September 07, 2026, 04:55:54 PM
by lylybr

IPS/Suricata does not drop anything via policy (opnsense.test.rules)

Started by MojoMC

Replies: 9
Views: 3,579

September 05, 2026, 11:04:43 AM
by collinsl

How to allow one computer on my network to use DropBox but block for others

Started by apara

Replies: 3
Views: 928

August 20, 2026, 11:06:51 AM
by Vesperinee

Policy Editor?

Started by spetrillo

Replies: 4
Views: 651

August 19, 2026, 10:16:33 AM
by OPNenthu

Optimization up and drops decrease with Autofp and BPF for IDS mode Suricata

Started by jonny5

Replies: 1
Views: 417

August 16, 2026, 11:22:56 PM
by jonny5

Workaround: safer Suricata rule updates for Divert + Hyperscan without SIGUSR2

Started by RamSense

Replies: 0
Views: 475

August 15, 2026, 03:36:57 PM
by RamSense

High RAM usage after upgrading to OPNsense 26.1.11_10 (Suricata - 5.8 GB RAM)

Started by elvinmammadov

Replies: 1
Views: 884

August 15, 2026, 11:00:02 AM
by matttarget

Add a local repository server to suricata

Started by rob9999

Replies: 1
Views: 365

August 13, 2026, 02:43:12 PM
by abulafia

Suricata not exiting on stop in Divert (IPS) mode

Started by jordanwmcdonald

Replies: 2
Views: 774

July 30, 2026, 05:44:29 PM
by jordanwmcdonald

Constant DNS queries for opnsense.emergingthreats.net

Started by nikon112

Replies: 9
Views: 21,997

July 24, 2026, 09:43:20 AM
by franco

Feedback on using Crowdsec in OPNSense.

Started by cookiemonster

Replies: 2
Views: 595

July 07, 2026, 11:36:50 PM
by cookiemonster

Suspicious repeated DNS traffic from an external source IP address; cause unknow

Started by Dutchman

Replies: 1
Views: 1,021

June 29, 2026, 10:11:49 PM
by cookiemonster

CLOSED: Problem with shutdown/reboot as killing suricata gets stuck forever.

Started by mrzaz

Replies: 2
Views: 580

June 25, 2026, 08:30:48 PM
by mrzaz

Suricata: no alerts ever fire from downloaded rulesets (OPNsense 26.1.10)

Started by digital_mhc

Replies: 0
Views: 1,197

June 19, 2026, 05:09:20 PM
by digital_mhc

Suricata 8.0.5 / 7.0.16 — Security Release (May 19, 2026) - when to update?

Started by IdolPlemeniti

Replies: 1
Views: 1,197

June 05, 2026, 08:27:49 AM
by franco