TCP Stream Reassembly Signatures | Cisco Systems IPS4510K9 specification

Chapter 7 Defining Signatures

Configuring Signatures

Table 7-6		TCP Stream Reassembly Signatures (continued)

				Parameter With
				Default Value and
	Signature ID and Name		Description	Range	Default Actions

	1306 0 TCP Option Other		Fires when a TCP option in the	TCP Option Number	Modify Packet Inline
			range of TCP Option Number is	6-7,9-255	Produce Alert10
			seen. All 1306 signatures fire	(Integer Range Allow
			an alert and do not function in	Multiple 0-255
			promiscuous mode.	constraints)
				TCP Idle Timeout
				3600

	1306 1 TCP SACK Allowed Option		Fires when a TCP selective	TCP Idle Timeout	Modify Packet Inline11
			ACK allowed option is seen.	3600
			All 1306 signatures fire an alert
			and do not function in
			promiscuous mode.

	1306 2 TCP SACK Data Option		Fires when a TCP selective	TCP Idle Timeout	Modify Packet Inline12
			ACK data option is seen. All	3600
			1306 signatures fire an alert and
			do not function in promiscuous
			mode.

	1306 3 TCP Timestamp Option		Fires when a TCP timestamp	TCP Idle Timeout	Modify Packet Inline13
			option is seen. All 1306	3600
			signatures fire an alert and do
			not function in promiscuous
			mode.

	1306 4 TCP Window Scale Option		Fires when a TCP window scale	TCP Idle Timeout	Modify Packet Inline14
			option is seen. All 1306	3600
			signatures fire an alert and do
			not function in promiscuous
			mode.

	1306 5 TCP MSS Option		Fires when a TCP MSS option	TCP Idle Timeout	Modify Packet Inline
			is detected. All 1306 signatures	3600
			fire an alert and do not function
			in promiscuous mode.

	1306 6 TCP option data after EOL option		Fires when the TCP option list	TCP Idle Timeout	Modify Packet Inline
			has data after the EOL option.	3600
			All 1306 signatures fire an alert
			and do not function in
			promiscuous mode.

	1307 TCP Window Variation		Fires when the right edge of the	TCP Idle Timeout	Deny Connection Inline
			recv window for TCP moves to	3600	Produce Alert15
			the right (decreases).

	1308 TTL Evasion16		Fires when the TTL seen on one	TCP Idle Timeout	Modify Packet Inline17
			direction of a session is higher	3600
			than the minimum that has been
			observed.

			Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2

	OL-29168-01					7-33
	OL-29168-01					7-33

IPS4510K9 specifications

Cisco Systems has long been a leading player in network security, and its IPS (Intrusion Prevention System) series is a testament to its commitment to safeguarding digital environments. Among its notable offerings are the IPS4510K9 and IPS4520K9 models, both designed to provide advanced threat protection for mid-sized to large enterprise networks.

The Cisco IPS4510K9 and IPS4520K9 are distinguished by their cutting-edge features that help organizations defend against a myriad of cyber threats. These systems utilize a multi-layered approach to security, integrating intrusion prevention, advanced malware protection, and comprehensive visibility across the network.

One of the primary characteristics of the IPS4510K9 is its high performance. It boasts a throughput of up to 1 Gbps, making it suitable for environments that demand rapid data processing and real-time responses to threats. The IPS4520K9, on the other hand, enhances that capability with improved throughput of up to 2 Gbps, accommodating larger enterprises with heavier network traffic. These models are equipped with powerful processors that support complex signature matching and can intelligently distinguish between legitimate traffic and potential threats.

In addition to performance, both models are designed with scalability in mind. They can be easily integrated into existing Cisco infrastructures. This facilitates a seamless enhancement of security without causing significant interruptions to ongoing operations. Moreover, they offer flexible deployment options, allowing organizations to operate them inline or out of band depending on their specific needs.

The Cisco IPS4510K9 and IPS4520K9 leverage advanced detection technologies, utilizing a variety of signature types and heuristic analysis to detect known and unknown threats effectively. They are equipped with real-time alerting and reporting capabilities, giving security teams immediate visibility into potential breaches and enabling them to respond swiftly.

Furthermore, both models support a range of management options through the Cisco Security Manager, allowing for centralized administration, streamlined policy management, and enhanced monitoring capabilities. Automated updates ensure the systems remain current with the latest threat intelligence, vital for staying ahead of evolving cyber threats.

In summary, the Cisco Systems IPS4510K9 and IPS4520K9 represent powerful solutions for organizations seeking robust intrusion prevention capabilities. With their high performance, scalability, and advanced detection technologies, these systems are essential tools in the ever-changing landscape of cybersecurity, providing enterprises with the peace of mind needed to operate securely in today's digital world.

Cisco Systems IPS4510K9 manual TCP Stream Reassembly Signatures

Models: IPS4510K9

TCP Stream Reassembly Signatures (continued)

IPS4510K9 specifications