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A misconfigured firewall is arguably more dangerous than no firewall at all, and TMG goes all out, providing easy-to-use wizards for configuring most options. The other unique feature of ISA server has always been ease of use. TMG continues that tradition with even deeper inspection of HTTP and now HTTPS traffic. Thus, an effective firewall needs to look inside network packets and understand protocols so that malicious traffic can be identified, something that ISA did very well.
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The last point is probably the most important one: old-school firewalls attempt to inspect network traffic based on port numbers, but threats today can hide in any protocol, on any port. ISA's reputation has, however, deservedly grown over the years, proving it to be a comprehensive, secure and scalable application layer firewall. Some IT security professionals turn up their noses at a firewall product from Microsoft, seeing it as a "small business product", certainly not ready for the real world. This is a very different product, though: it's 64-bit only, with built-in URL and anti-malware scanning, outbound SSL inspection and a real intrusion detection and prevention system. The recently released Forefront Threat Management Gateway 2010 (TMG) is the newest prodigy in this lineage. Microsoft's ISA server has grown a loyal following over the years, from a shaky start with Microsoft Proxy server, through Internet Security and Acceleration (ISA) Server 2000, 2004 and most recently 2006. Microsoft Forefront Threat Management Gateway 2010 If you see inaccuracies in our content, please report the mistake via this form If we have made an error or published misleading information, we will correct or clarify the article. Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying decisions on tech gear and a wide array of products and services. ZDNet's editorial team writes on behalf of YOU, our reader. Indeed, we follow strict guidelines that ensure our editorial content is never influenced by advertisers. Neither ZDNet nor the author are compensated for these independent reviews. This helps support our work, but does not affect what we cover or how, and it does not affect the price you pay. When you click through from our site to a retailer and buy a product or service, we may earn affiliate commissions. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing.
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