Download

Community Edition

Free. 10 protocol parsers included.

intrufend_2.4.310_amd64.deb

Ubuntu/Debian x86_64 · 6.9 MB · All dependencies included

10 protocol parsers (IT + Modbus/DNP3) · 18 built-in OT/ICS rules

Quick start

Installation

# Install
sudo dpkg -i intrufend_2.4.310_amd64.deb
sudo apt-get install -f                     # install dependencies

# Download 49K+ community detection rules
sudo intrufend-update-rules

# Configure
sudo nano /etc/intrufend/config.yaml        # set capture interface

# Start
sudo systemctl start intrufend
sudo systemctl enable intrufend

System Requirements

ComponentMinimumRecommended
OSUbuntu 22.04+ / Debian 12+Ubuntu 24.04 LTS
CPU2 cores4+ cores
RAM2 GB8 GB
Disk500 MB10 GB
NICAny (pcap)Intel 10G+ (DPDK)

Included Protocols

IT Protocols

HTTPDNSTLSSSHSMTPSNMPNTPMQTT

OT/ICS Protocols

Modbus TCPDNP3

Need all 165 protocols? OEM Edition

Package Contents

/usr/bin/intrufend                    # Intrusion detection engine
/usr/bin/intrufend-update-rules       # Rule downloader
/usr/lib/intrufend/plugins/*.so       # 10 protocol parsers
/usr/lib/intrufend/lib/               # Bundled runtime libraries (DPDK, Hyperscan, etc.)
/etc/intrufend/config.yaml            # Configuration
/etc/intrufend/rules/intrufend.yml    # 18 built-in OT/ICS rules
/lib/systemd/system/intrufend.service # Systemd service
/var/log/intrufend/                   # Logs (eve.json)
By downloading, you agree to the . For redistribution, OEM, or managed service deployment, see the OEM Edition.