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    Update to Mitigate MS08-037 UDP Behavior Across NAT for Microsoft ISA Server 2004 Enterprise Edition

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    This update causes ISA Server to use random source ports for UDP sessions created by access rules which serve hosts in networks for which ISA Server defines a network address translation (NAT) relationship.
    • Version:

      3445.907

      File Name:

      ISA2004EE-KB958024-x86-ENU.msp

      Date Published:

      11/24/2008

      File Size:

      3.5 MB

        This update resolves the issue described in Microsoft Article 956910, DNS queries that are sent across a firewall do not use random source ports after you install security update 953230 (MS08-037). With this update, ISA Server allocates a large set of random UDP ports and then selects a port from this set for use in new UDP sessions.

        You can disable it programmatically (there is no user interface).
    • Supported Operating System

      Windows Server 2003

        • ISA Server 2004 Enterprise Edition with Service Pack 3
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