Intrusion Detection and Prevention

Performance tuning for IPS maximum performance

Started by dcol

Pages1 2 3 ... 8

Replies: 109
Views: 509,460

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

Using Rulesets in Suricata IPS

Started by dcol

Pages1 2

Replies: 28
Views: 200,116

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

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

Started by MojoMC

Replies: 7
Views: 2,933

Today at 08:08:30 AM
by Monviech (Cedrik)

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

Started by apara

Replies: 3
Views: 724

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

Policy Editor?

Started by spetrillo

Replies: 4
Views: 426

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

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

Started by Abdikarim001

Replies: 0
Views: 148

August 18, 2026, 10:15:50 PM
by Abdikarim001

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

Started by jonny5

Replies: 1
Views: 223

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: 231

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: 581

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

Add a local repository server to suricata

Started by rob9999

Replies: 1
Views: 208

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

Suricata not exiting on stop in Divert (IPS) mode

Started by jordanwmcdonald

Replies: 2
Views: 526

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

Constant DNS queries for opnsense.emergingthreats.net

Started by nikon112

Replies: 9
Views: 21,739

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

Feedback on using Crowdsec in OPNSense.

Started by cookiemonster

Replies: 2
Views: 406

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: 787

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: 397

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: 892

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: 1,007

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

Bypass SURICATA RTP-Ports

Started by hebein

Replies: 0
Views: 312

May 31, 2026, 05:55:50 PM
by hebein

Issues with Divert (IPS)

Started by dubbz

Replies: 0
Views: 615

May 30, 2026, 03:02:24 AM
by dubbz

IPS fighting Corporate VPN - How best to whitelist

Started by rkubes

Replies: 0
Views: 463

May 26, 2026, 05:33:21 PM
by rkubes