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Unable to download Windows Update or Adobe Download Manager updates through InterScan Web Security Suite (IWSS)

    • Updated:
    • 9 Nov 2015
    • Product/Version:
    • InterScan Web Security Suite 3.1 Linux
    • InterScan Web Security Suite 3.1 Windows
    • InterScan Web Security Virtual Appliance 5.6
    • Platform:
    • Linux - Red Hat RHEL 4 32-bit
    • Linux - Red Hat RHEL 5 32-bit
    • Linux - SuSE version 10
    • Unix - Solaris (Sun) version 10 (SunOS 5.10)
    • Unix - Solaris (Sun) version 8 (SunOS 5.8)
    • Unix - Solaris (Sun) version 9 (SunOS 5.9)
    • Windows 2003 Enterprise Server
    • Windows 2003 Standard Server Edition
    • Windows 2008 Enterprise Server
    • Windows 2008 Standard Server Edition
Summary

When the IWSS/IWSVA gateway product is deployed, some users experience difficulty in getting the necessary updates. Since both Adobe and Microsoft products have become standard for corporate productivity applications, you need to ensure that the latest updates are applied when they are available via the web.

Details
Public

This issue may occur due to the special file handling feature of the HTTP scanning in IWSS/IWSVA. To prevent it from occurring, you can add the relevant URLs to the scan exception list.

IWSS 3.1 for Linux & IWSVA 5.6

  1. Create a backup copy of the /etc/iscan/intscan.ini file.
  2. Open the intscan.ini file in a text editor.
  3. Under [http], add the following to the "client_skip_content" parameter for Windows Update:

    client_skip_content=Host: windowsupdate.microsoft.com,Host:
    v5.windowsupdate.microsoft.com,Host:
    v4.windowsupdate.microsoft.com,Host: download.windowsupdate.com,Host:
    windowsupdate.com,Host: office.microsoft.com,Host:
    update.microsoft.com,Host: www.download.windowsupdate.com
    For Adobe Download Manager:
    client_skip_content=Host: ardownload.adobe.com,Host:
    download.adobe.com

  4. Save and close the file.
  5. Run the following commands to restart the HTTP daemon:

    #/etc/rc#.d/S99IWSS stop
    #/etc/rc#.d/S99IWSS start

IWSS 3.1 for Windows

  1. Create a backup copy of the <IWSS installation folder>\intscan.ini file.
  2. Open the intscan.ini file in a text editor.
  3. Under [http], add the following to the "client_skip_content" parameter for Windows Update:

    client_skip_content=Host: windowsupdate.microsoft.com,Host:
    v5.windowsupdate.microsoft.com,Host:
    v4.windowsupdate.microsoft.com,Host: download.windowsupdate.com,Host:
    windowsupdate.com,Host: office.microsoft.com,Host:
    update.microsoft.com,Host: www.download.windowsupdate.com
    For Adobe Download Manager:
    client_skip_content=Host: ardownload.adobe.com,Host:
    download.adobe.com

  4. Save and close the file.
  5. Restart the Trend Micro InterScan Web Security Suite for HTTP service.
Premium
Internal
Rating:
Category:
Troubleshoot
Solution Id:
1035913
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