Forefront Threat Management Gateway Alternatives

    Forefront Threat Management Gateway is described as 'Microsoft Forefront Threat Management Gateway (Forefront TMG), formerly known as Microsoft Internet Security and Acceleration Server (ISA Server), is a network security and protection solution for Microsoft Windows, described by Microsoft as "enables businesses by allowing' and is an app in the Security & Privacy category. There are more than 10 alternatives to Forefront Threat Management Gateway for a variety of platforms, including Linux, Self-Hosted solutions, Windows, Online / Web-based and VirtualBox. The best alternative is OPNsense, which is both free and Open Source. Other great apps like Forefront Threat Management Gateway are ClearOS (Free, Open Source), Sophos XG Firewall (Free Personal), Sophos UTM (Paid) and ZeroShell (Free, Open Source).

    This page was last updated Sep 26, 2021

    1. OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases. It brings the rich feature set of commercial offerings with the benefits of open and verifiable sources.
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    2. ClearOS is a family of operating systems for the enterprise, small business, and home. There are three editions to choose from depending on your needs and suitable to your abilities. They are: ClearOS Enterprise, ClearOS Home, and ClearOS Core.
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    3. A modern replacement for Sophos UTM based on Sophos, Cyberoam and Astaro technology combined.
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    4. Sophos UTM integrates complete security software within a single appliance. Choose only the protection you need when you need it. And deploy it on the platform that best fits your business: software, hardware or virtual appliance.
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    5. Zeroshell is a Linux distribution for servers and embedded devices aimed at providing the main network services a LAN requires. It is available in the form of Live CD or Compact Flash image and you can configure and administer it using your web browser.

      Discontinued

      From the Zeroshell website (translated from Italian to English)

      Disposal of the Zeroshell project

      The project has now reached the end of its life. Zeroshell was born in June 2006 and has over 200,000 installations worldwide. Any security updates will be guaranteed until September 30, 2021. I thank everyone who believed and contributed in various ways to improving the project. The zeroshell.org domain will be divested or sold on September 30, 2021

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    6. Endian Firewall Community (EFW) is a "turn-key" linux security distribution that turns every system into a full featured security appliance with Unified Threat Management (UTM) functionality.
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      • Windows
      • VirtualBox
      • VMware vSphere Hypervisor
      • Microsoft Hyper-V Server
      • Proxmox Virtual Environment
      All CacheGuard products and services are focused on delivering secured and optimized Web contents to our clients. To achieve that goal we made CacheGuard OS which is our core product.
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    7. Untangle is a platform for deploying network based applications. The platform unites these applications around a common GUI, database and reporting.
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    8. The SmoothWall Open Source Project was set up to develop and maintain SmoothWall Express - a Free firewall that includes its own security-hardened GNU/Linux operating system and an easy-to-use web interface.

      Discontinued

      The site says the last release was October 2014.

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    9. Protect your network from viruses, malware and malicious activity with Kerio Control, the easy-to-administer yet powerful all-in-one security solution.
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    Showing 10 of 11 alternatives