IIS6 on W2k3 DCs

From: Joe Blatz (sd_wireless_at_yahoo.com)
Date: 01/13/05

  • Next message: Wrights, Joshua C: "RE: Automatic Updates and Users/Power Users" 
    Date: Thu, 13 Jan 2005 06:29:52 -0800 (PST)
To: focus-ms@securityfocus.com

    The security guides published by many sources (NSA,
    MS, etc) stated that IIS4 and IIS5 do not belong on
    DCs. Common best practices would, in general, guide
    that an HTTP (IIS or otherwise) daemon doesn't belong
    on DC.

    By referring to numerous security guides written
    specifically for NT4 and W2k we were able to convince
    a customer of this. Now that IIS6 has come out, and
    the customer feels that IIS6 is much safer than IIS4
    and IIS5, they want to put it back on their DCs.

    I am looking for sources that document that this is a
    bad idea. When it comes to the NSA they don't have a
    guide for W2k3 but have instead pointed to Microsoft's
    "Windows Server 2003 Security Guide" and the use of
    the "High Security" settings and templates. The MS
    guide does (rather subtly) show that IIS should not be
    on a DC. They only show the HTTP service enabled on an
    IIS server, but I think this may not be direct enough
    for our client.

    Any help finding an explicit statement that IIS6 does
    not be belong on a DC would be greatly appreciated.

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