Freeware Listing: Intrusion Prevention
- Snort
- License: Freeware

SnortĀ® is an open source network intrusion prevention and detection system (IDS/IPS) developed by Sourcefire. Combining the benefits of signature, protocol, and anomaly-based inspection, Snort is the most widely deployed IDS/IPS technology worldwide. With millions of downloads and nearly 400,000 registered users, Snort has become the de facto standard for IPS..
- Publisher: Sourcefire, Inc.
- Date: 01-05-2012
- Size: 3584 KB
- Platform: WinOther
- LAk Intrusion Prevention System
- License: Freeware

A single compilation of source, binaries, scripts and whitepapers on Intrusion Prevention Systems. Modified scripts available to get an IPS started in a matter of minutes. Comprehensive documentation & regular updates available to stay on the EDGE.
- Publisher: lak-ips.sourceforge.net
- Date: 25-11-2012
- Size: 389 KB
- Platform: Linux, Unix
- System Safety Monitor Free Edition
- License: Freeware

System Safety Monitor (SSM) is a Host Based Intrusion Prevention System which will protect your system from all known and unknown malware, rootkits and "zero-day" attacks. SSM proactively keeps track of all running programs' behavior and blocks malicious or suspicious actions. Learning mode will help you to easily configure the required security rules. Compatible with most of well known security software. 100% freeware. Working at the Windows Kernel level SSM monitors in real-time: * Malware and Rootkit Installation * Driver Loading * Program Execution * NT Services Installation and State Change * Program State and Memory Modification * Thread and Process Suspension and Termination * Direct Physical Memory Access * Global Hook Installation * System Registry Modification * Window...
- Publisher: System Safety Limited
- Date: 11-08-2006
- Size: 3216 KB
- Platform: Win2000, Windows Server, WinOther
- WehnTrust
- License: Freeware

WehnTrust is a Host-based Intrusion Prevention System (HIPS) for Windows 2000, XP, and Server 2003. It includes support for exploit mitigations that are designed to make exploitation more difficult by preventing the use of specific exploitation techniques and by making exploitation unreliable.
Features
The following features are included:
Address Space Layout Randomization (ASLR)
Randomized image file mappings (relocations required)
Randomized memory allocations (e.g. VirtualAlloc)
Randomized PEB/TEB
Basic brute force detection and prevention
SEH Overwrite Prevention
Format string vulnerability prevention
Logging and notification of exploitation attempts
Balloon tip nofication
Native windows event logging
Application and image file exemptions.
- Publisher: skape
- Date:
- Size: 440 KB
- Platform: Win2000, WinOther, WinServer
- Comodo Internet Security
- License: Freeware

Comodo Internet Security is the awarding winning and free security solution for Windows that uses a powerful combination of antivirus, firewall, auto-sandbox, host intrusion prevention and website filtering to immediately protect your computer from all known and unknown malware. Our real-time scanner constantly monitors your computer for threats, protecting you from the moment you start Windows. Our cloud-based scanner uses real-time virus blacklists, so you don\'t have to download updates before you receive protection against newly discovered threats. Did you know traditional antivirus software can only detect around 40% of the viruses in circulation? The other 60% of viruses are allowed to run because they are \'unknown\' to antivirus software.
- Publisher: Comodo Security Solutions, Inc.
- Date: 15-03-2018
- Size: 5200 KB
- Platform: Windows 8, Win7 x32, Win7 x64, WinVista, WinVista x64, WinXP
- HLBR - Hogwash Light BR
- License: Freeware

HLBR is an IPS (Intrusion Prevention System) that can filter packets in the OSI layer 2. Detection of malicious traffic is done by rules. It can even be used as bridge to honeypots. The HLBR is a firewall element and can use regular expressions..
- Publisher: hlbr.sourceforge.net
- Date: 16-06-2012
- Size: 16 KB
- Platform: Linux
- Linux Kernel Immune System
- License: Freeware

Linux Kernel Immune System (KIS).KIS is a immune-inspired Intrusion Prevention System (IPS) developed as part of the Linux kernel. It's a hybrid of anomaly and signature based approaches..
- Publisher: lkis.sourceforge.net
- Date: 24-07-2012
- Size: 21 KB
- Platform: Linux
- OpenWIDS
- License: Freeware

OPENWIDS is an attempt to develop an Open Source Wireless Intrusion Detection / Intrusion Prevention system for deployment on OpenWRT and similar WAP OSes.
OpenWIDS License - BSD License.
- Publisher: Openwids
- Date:
- Platform: WinOther
- High-Traffic Firewall
- License: Freeware

Zelkova is a firewall with capabilities of Intrusion Prevention System. It is based on Linux kernel, but does not use the traditional netfilter packet filter firewall.
High-Traffic Firewall License - GNU General Public License version 2.0 (GPLv2).
- Publisher: zelkova.berlios.de
- Date:
- Platform: WinOther
- Netkeeper
- License: Freeware

Netkeeper is an integrated intrusion prevention system for Linux. It incorporates snort IDS and iptables firewall, and its distributed and modularized design allows deployment in various network topologies.
Netkeeper License - GNU General Public License (GPL).
- Publisher: Netkeeper
- Date:
- Platform: WinOther
- PIMAPS
- License: Freeware

An application-level intrusion prevention system. Prevents buffer overflows, integer overflows, format string vulnerabilities, and the like. Designed for 32-bit and 64-bit ELF (Linux and *BSD) executables.
PIMAPS License - BSD License.
- Publisher: Pimaps
- Date:
- Platform: WinOther
- McAfee VirusScan Enterprise
- License: Shareware

With McAfee VirusScan Enterprise anti-virus protection was taken to the next level by smoothly combining intrusion prevention with firewall technology to create a single solution for computers and file servers.
With VirusScan Enterprise, you get:
Maximum defense against malware — Safeguards your systems and files from viruses, spyware, worms, Trojans, and other security risks. It detects and cleans malware, and allows you to easily configure policies to manage quarantined items.
Proactive protection from attacks — Real-time scanning ensures all your systems, including remote locations, are protected from current and emerging threats.
- Publisher: McAfee
- Date:
- Platform: Win2000, Win7 x64, Windows 7, WinOther, WinServer, WinVista, WinVista x64
- Snort for Windows
- License: Freeware

SnortdlT* is an open source network intrusion prevention and detection system (IDS/IPS) developed by Sourcefire. Combining the benefits of signature, protocol, and anomaly-based inspection, Snort is the most widely deployed IDS/IPS technology worldwide. With millions of downloads and approximately 300,000 registered users, Snort has become the de facto standard for IPS.
Features:
Protocol analysis and content searching/matching
Uses a flexible rules language to describe traffic that it should collect or pass
Detection engine that utilizes a modular plug-in architecture
Real-time alerting capability
Detects buffer overflows, stealth port scans, CGI attacks, SMB probes, OS fingerprinting attempts, and more.
- Publisher: Sourcefire, Inc
- Date:
- Size: 2744 KB
- Platform: WinOther
- DefenseWall for Windows
- License: Shareware

DefenseWall wins when your anti-virus fails. Isolate good from evil!
DefenseWall Personal Firewall - the world's first sandboxing-style personal firewall solution
No learning modes (as seen with firewall and HIPS programs).
Mininimal popups.
Compatible with third-party security software and programs.
No need to configure ports and sockets.
No application checksum re-calculations.
Average users find it difficult to setup and use your typical firewall and security program. For most average users, program popups and questions are confusing.
- Publisher: SoftSphere Technologies
- Date:
- Size: 4341 KB
- Platform: Win2000, Windows 7, WinOther, WinVista
- Vyatta Core
- License: Freeware

The free community Vyatta Core software(VC) is an award-winning open source network operating system providing advanced IPv4 and IPv6 routing, stateful firewalling, IPSec and SSL OpenVPN, intrusion prevention, and more. When you add Vyatta to a standard x86 hardware system, you can create an enterprise grade network appliance that easily scales from DSL to 10Gbps. Vyatta is also optimized to run in VMware, Citrix XenServer, Xen, KVM, and other hypervisors, providing networking and security services to virtual machines and cloud computing environments.
A commercial version of the Vyatta network OS (Vyatta Subscription Edition) is also available with enterprise-ready management and security product extensions and complete engineering support including proactive notifications of security alerts and software releases as well as...
- Publisher: Vyatta Inc.
- Date:
- Size: 199229 KB
- Platform: WinOther
- Sax2 Intrusion detection system(Free)
- License: Freeware

Ax3soft Sax2 is a professional intrusion detection and prevention software (NIDS) used to detect intrusion and attacks, analyze and manage your network which excels at real-time packet capture, 24/7 network monitor, advanced protocol analysis and automatic expert detection.
With insight into all operations in your network, Sax2 makes it easy to isolate and solve your network security problems - detect network vulnerabilities, identify network security threats, catch actions against of security strategy and signs of been attacked. Finally, intercept and stop these connections.
Sax2 offers many kinds of intrusion analysis reports, such as events, type, source address and destination address of attacks, and many crossover reports and compositive reports.
- Publisher: Ax3soft
- Date: 25-02-2011
- Size: 7051 KB
- Platform: WinOther
- GeSWall Freeware
- License: Freeware

GeSWall is intrusion prevention system that is non-intrusive and easy to use. With GeSWall, you can safely surf the web, use e-mail, chat, exchange files etc, regardless of the security threats posed by the Internet. GeSWall is a required supplementary to your anti-virus, anti-spyware and personal firewall as it blocks unknown treats missed by those solutions. Key Features: * Prevents backdoors, rootkits, key loggers. * Prevents confidential file disclosure. * Prevents intrusions. * Prevents malicious software spreading. * Independent of attack techniques. * Easy to use - non-intrusive, no configuration required.
- Publisher: GentleSecurity
- Date: 10-11-2012
- Size: 5591 KB
- Platform: WinOther
- FortGuard Firewall
- License: Shareware

FortGuard Firewall is a small but powerfull Anti-DDoS Software Firewall with built-in Intrusion Prevention System.
Here are some key features of "FortGuard Firewall":
* The most accurate, highest performance protection against DDoS attacks.
* Built-in Intrusion Prevention System.
* Protection against SYN, TCP Flooding and other types of DDoS attacks.
* Real-time visibility of attack packets.
* TCP flow control. (Maximum connections restriction per IP)
* Attack packets filtering; UDP/ICMP/IGMP packets rate management.
* IP blacklist and whitelist.
- Publisher: FortGuard Software Technologies Ltd.
- Date:
- Size: 2037 KB
- Platform: Win2000, WinOther, WinServer
- Forefront Threat Management Gateway (TMG) 2010
- License: Freeware

Forefront Threat Management Gateway 2010 allows employees to safely and productively use the Internet without worrying about malware and other threats. It provides multiple protection capabilities including URL filtering*, antimalware inspection*, intrusion prevention, application- and network-layer firewall, and HTTP/HTTPS inspection that are integrated into a unified, easy to manage gateway, reducing the cost and complexity of Web security. Forefront Threat Management Gateway 2010 is available for download in both Standard Edition and Enterprise Edition..
- Publisher: microsoft.com
- Date:
- Size: 1153433 KB
- Platform: WinServer
- Dynamic Security Agent
- License: Freeware

Privacyware Dynamic Security Agent (DSA) delivers easy, immediate, signature-less protection from known or new malware and all forms of unauthorized use for Windows desktops and servers. An intelligent multi-layered defense, DSA continuously evaluates system processes, applications, WinAPI calls, registry settings and other system variables to reveal, alert, quarantine and block potentially malicious activity. DSA incorporates system and email anomaly detection components that baseline normal computer operation and detect unacceptable deviations from typical use. DSA is an ideal, zero-day defense complement to virus and spyware scanners and firewalls.
- Publisher: Privacyware
- Date: 05-25-2006
- Size: 1580 KB
- Platform: Win2000, Windows Server, WinOther
Intrusion Prevention: Freeware | All













