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Microsoft Forefront Threat Management Gateway (Forefront TMG), formerly known as Microsoft Internet Security and Acceleration Server (ISA Server), is a network router, firewall, antivirus program, VPN server and web cache from Microsoft Corporation. It runs on Windows Server and works by inspecting all network traffic that passes through it. ==Features== Microsoft Forefront TMG offers a set of features which include: # Routing and remote access features: Microsoft Forefront TMG can act as a router, an Internet gateway, a virtual private network (VPN) server, a network address translation (NAT) server and a proxy server. # Security features: Microsoft Forefront TMG is a firewall which can inspect network traffic (including web contents, secure web contents and emails) and filter out malware, attempts to exploit security vulnerabilities and content that does not match a predefined security policy. In technical sense, Microsoft Forefront TMG offers application layer protection, stateful filtering, content filtering and anti-malware protection. # Network performance features: Microsoft Forefront TMG can also improve network performance: It can compress web traffic to improve communication speed. It also offers web caching: It can cache frequently-accessed web contents so that users can access them faster from the local network cache. Microsoft Forefront TMG 2010 can also cache data received through Background Intelligent Transfer Service, such as updates of software published on Microsoft Update website. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Microsoft Forefront Threat Management Gateway」の詳細全文を読む スポンサード リンク
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