By Michael Sweeney, C. Tate Baumrucker, James. D. Burton, Ido Dubrawsky
Cisco structures, Inc. is the global chief in networking for the net, and its Intrusion Detection structures line of goods is making in roads within the IDS industry phase, with significant enhancements having occurred in February of 2003.
A finished, updated consultant to the and software program that contain the Cisco IDS. This e-book does greater than express community engineers tips on how to organize and deal with this line of most sensible promoting items ... it walks them step-by-step via the entire targets of the Cisco safe Intrusion Detection process path (and corresponding examination) that community engineers needs to cross on their option to reaching sought-after CCSP certification.
* deals entire assurance of the Cisco safe Intrusion Detection platforms examination (CSIDS 9E0-100) for CCSPs
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Extra info for Cisco Security Professionals Guide To Secure Intrusion Detection Systems Ebook
Even then, they do not replicate the offending traffic back to the IDS console. They simply report the event in an efficient and quickly transferred UDP flow. It is extremely unlikely that an IDS deployment will cause negative or noticeable effects on the production network. Q. I read that Cisco IDS can inspect encrypted traffic. Is this true? A. Not exactly. Cisco Network IDS sensors cannot decrypt and inspect traffic as it traverses their monitoring interfaces. You should certainly keep this in mind as you design your IDS deployment.
Again, you could use the RSPAN solution discussed previously. The ISP connections are high speed, but not so fast as the internal networks. Based on this information, choose the Cisco 4235 IDS Sensor since it will perform at speeds up to 250 Mbps and will easily support the maximum combined connection speed of 110 Mbps. You position these sensors above the firewalls (and possibly above the routed interface on the Cisco 4503 switches) to inspect all traffic to and from the ACME Company. 8. 8: Corporate Internet Module IDS Finally, you realize that one remaining ingress/egress point exists in the ACME network, the frame-relay links to the seven remote office locations.
Finally, the Host IDS software acts as a shield against intentional file corruption attempts, such as Trojan code insertion attacks. This is performed by "fingerprinting" executables and configuration files during baseline operations. This fingerprint or checksum is then regularly compared to the current version to protect system resources such as Registry keys, password files, and executables against unwanted manipulation. Chapter 2: Cisco Intrusion Detection 31 32 Chapter 2: Cisco Intrusion Detection Cisco's Network Sensor Platforms As part of their flexible deployment strategy, Cisco offers several different Network IDS platforms to meet the varying needs of enterprise environments.
Cisco Security Professionals Guide To Secure Intrusion Detection Systems Ebook by Michael Sweeney, C. Tate Baumrucker, James. D. Burton, Ido Dubrawsky