Cisco Threat Response IDS Requirements

CTR works in conjunction with intrusion detection systems. Your network should have an installation of either or both of the following IDSs:

■ Cisco Intrusion Detection System version 3.x or higher

■ Internet Security Systems RealSecure—CTR has been tested with RealSecure versions 6.5 and 7.0

You can access the CTR GUI from any computer in your environment; CTR uses an SSL connection under Microsoft Internet Explorer. For example, to access the CTR server with an IP address of, simply type this URL in your Explorer address box: HTTPS specifies that your application should use SSL.

With the need for greater security between devices and switches, the IEEE committee came up with a new technology, 802.1X authentication.

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