Re: Blocking IP's / e-com fraud

From: Allan Wind (allan_wind_at_lifeintegrity.com)
Date: 12/30/04

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    Date: Thu, 30 Dec 2004 16:36:48 -0500
To: security-basics@securityfocus.com

    On 2004-12-29T19:44:38-0600, Dan Tesch wrote:
    > In IIS if I want to block an entire range like:
    >
    > XXX.78.0.0 - XXX.83.255.255
    >
    > how should that look in the IIS Mgr?
    >
    > do I need to make multiple entries like:
    > XXX.78.0.0
    > XXX.79.0.0
    > XXX.80.0.0, etc.?

    awind@wind-a:~$ netmask --cidr 10.78.0.0:10.83.255.255
          10.78.0.0/15
          10.80.0.0/14

    awind@wind-a:~$ netmask --standard 10.78.0.0:10.83.255.255
          10.78.0.0/255.254.0.0
          10.80.0.0/255.252.0.0

    > and what should the subnet masks look like?

    I do not know anything about IIS, but netmask or similar utilities makes such
    calculations easy (substitude 10 with xxx).

    /Allan

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