Configuring Juniper Networks Net: Screen & SSG Firewalls by Rob Cameroon, Brad Woodberg, Mohan Krishnamurthy Madwachar,

By Rob Cameroon, Brad Woodberg, Mohan Krishnamurthy Madwachar, Mike Swarm, Neil R. Wyler, Matthew Albers and Ralph Bonnell (Eds.)

Publication annotation no longer on hand for this title...Title: .Configuring Juniper Networks Netscreen & Ssg Firewalls..Author: .Cameron, Rob (EDT)/ Woodberg, Brad/ Madwachar, Mohan Krishnamurthy/ Swarm, Mike/ Wyler, Neil R...Publisher: .Elsevier technology Ltd..Publication Date: .2007/01/25..Number of Pages: .745..Binding sort: .PAPERBACK..Library of Congress

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The Juniper Security Product Offerings NetScreen is the fastest-growing firewall product line on the market today. The NetScreen product line is robust and competitive, and it is now part of Juniper networks. On April 16, 2004, Juniper Networks completed its purchase of NetScreen for $4 billion. Juniper chose to purchase NetScreen to enter the enterprise market space. Previously, Juniper focused on the carrier class market for high-end routers. Juniper is aiming high; it is vying directly with Cisco for the position as the number one firewall appliance vendor, as well as the number one router vendor in the world.

Now add that up with all of the other applications you need to allow through the firewall and you can see the problem. Because the packet filter has no way to dynamically create an access rule to allow inbound traffic, the packet filter is not effective as a security gateway. Packet filters in modern routers can be extremely important. These packet filters are also used in CoS/QoS, policy-based routing, rate-limiting and policing, as well as controlling what can reach the router. Packet filters in modern routers are also very high performance.

DMZ design now includes the ability to use multiple products (both hardware- and software-based) on multiple platforms to achieve the level of protection necessary, and DMZs are often created to provide failover capabilities as well. To facilitate understanding, we examine a number of conceptual paths for traffic flow in the following section. Before we look at the conceptual paths, let’s make sure we understand the basic configurations that can be used for firewall and DMZ location, and how each of them can be visualized.

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