Placement of Cisco Secure IDS Sensor |
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EXPERT RESPONSE FROM: Stephen Mencik
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QUESTION POSED ON: 21 January 2002
I have a site that is using a Cisco PIX firewall, and it has three
interfaces: inside, outside and a DMZ. I only have funding for one Cisco Secure IDS Sensor. Where do you recommend I put it?
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If I could only have one sensor, I would put it on the
outside, before my firewall. That way the IDS could potentially
catch attacks against my firewall, as well as other attacks.
However, I would argue for a larger budget to procure a
few more sensors.
For more information on this topic, visit these other searchSecurity resources:
Best Web Links: Firewalls
Best Web Links: Intrusion Detection
Best Web Links: Budgeting for Security
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