NinjaFirewall (WP Edition) is a true Web Application Firewall. Although it can be installed and configured just like a plugin, it is a stand-alone firewall that sits in front of WordPress.
Centralized manager for Open Source firewalls
Automate certain administrative tasks All your firewalls are accessible in 1 click Auto-connect your firewalls to DynFi Manager pfSense® and OPNsense® compatible manager.
Cost / License
- Free Personal
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
- Software as a Service (SaaS)
CyberArk proactively stops the most advanced cyber threats – those that exploit insider privileges to attack the heart of the enterprise.
Protect your network from viruses, malware and malicious activity with Kerio Control, the easy-to-administer yet powerful all-in-one security solution.


Firewall WITHOUT ROOT. Host name/domain name filtering, simple interface, fine-grained access control and no suspicious permissions on the firewall app itself.



A Stateful Packet Inspection (SPI) firewall, Login/Intrusion Detection and Security application for Linux servers.



Murus is a frontend for the OS X PF network firewall. From basic filtering to advanced proactive options, Murus allows to easily configure a complex network setup dragging and dropping icons and moving sliders and selecting checkboxes.


+2
Protects mobile devices against cyber threats like viruses, ransomware, and malware, while providing real-time scanning and Anti-Theft features.


+4
Scan and remove viruses fast - Removes viruses others miss. Prevent Viruses before they infect your PC - Online updates mean no more worries. Free Upgrades & Online Customer Support - Stay protected all year.
Tomato USB is an alternative Linux-based firmware for powering Broadcom-based ethernet routers. It is a modification of the famous Tomato firmware, with additional built-in support for USB port, wireless-N mode support, support for several newer router models, and various...
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Linux
- Tomato

Server-based firewall. Reacts to attacks with intelligent abilities to detect malicious attempts to enter and reacting by blocking the IP temporarily. Repeated hits will ban the IP completely.
Filseclab Personal Firewall Professional Edition is one of the most important software of Filseclab, it is very easy to use and also very powerful. It can provide more secure protection for your PC, and it is FREE.


A modern replacement for Sophos UTM based on Sophos, Cyberoam and Astaro technology combined.


iplist is a Linux application for blocking connections to and from a specified range of hosts using the netfilter netlink-queue library. iplist is an open source IP filtering program similar to PeerGuardian .


+3
Sygate Personal Firewall is a bit old but good firewall for Windows. It uses very small amount of system resources and is quite robust.
The project is now abandoned because Symantec Corporation, on October 10, 2005, acquired Sygate Technologies, so Sygate Personal Firewall ha.

ModSecurity is an open source web application firewall. Working embedded in the web server, or standalone as a network appliance, it detects and prevents attacks against web applications.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
- BSD
- Self-Hosted
Scrollout F1 is a free self-hosted email gateway designed for Linux & Windows administrators without advanced email security experience.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Linux
- Self-Hosted

IPQ BDB filtering is done by a user space netfilter daemon that issues verdicts after looking up the IP address in a Berkeley DB. The fuzzy blocking model, freely inspired by STOCKADE, is designed to block non-distributed dictionary attacks and mitigate spam.

System Shield has a variety of tools that cover every aspect of PC security. These tools can make sure you’re safe on the Internet, and that your files won’t fall into the wrong hands. Here are the ones that make this happen:



+1
FortKnox Firewall is personal firewall solution that allows you to protect a PC against hacker attacks, trojans, spyware and internet threats. It has built-in Intrusion Prevention System and SPI technologies for extended user protection.


+1















































