NPF: packet filter with stateful inspection, NAT, IP sets, etc.

UTM Firewall on OpenBSD

A simple packet filtering firewall for Linux

A network security policy compiler. Netspoc is targeted at environments with a large number of firewalls and admins. Firewall rules are derived from a single rule set. Supported are Cisco IOS, NX-OS, ASA, Palo-Alto, VMware NSX gateway firewalls and IPTables.

PF Firewall on OpenBSD

PF (Packet Filter)

This program allow you to extract some features from pcap files.

Add-ons for the OpenBSD web server

Packet Filter Rule Editor for OpenBSD/pf

🐡 ⚙️ Personal config files, handbook and more.

Software networking with isolation for Tart

Advanced library for packet processing. Includes NetVM, NetPDL, and NetPFL.

macOS / Windows 10 Telemetry filter

OpenBSD daemon primarily used to build and maintain dynamic firewall blocklists

Packet filter written in Rust

A small Python script used to help network administrators to generate PF (Packet Filter) rules to block a bunch of hosts

FreeBSD pf (packet filter) wrapper written in Go

This project was developed in order to help the community of users who wish to run OpenBSD.

Simple packet filtering firewall

Vulcan Guard is a comprehensive network management tool designed to mitigate DDOS attacks