November 2005
Intermediate to advanced
1152 pages
29h 9m
English
Content preview from Cisco Network Security Troubleshooting HandbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Troubleshooting Cisco Secure PIX Firewalls
A PIX firewall falls into the category of stateful firewall. It provides security to the perimeter network by creating and maintaining the state information of connections. PIX boosts performance because its OS is embedded and runs directly from RAM for packet processing. Cisco Adaptive Security Appliance (ASA 5500 Series), is the next-generation security appliance, which runs the same OS as the PIX, but provides more security services (for example, an SSM blade for IPS, SSL VPN, and so on) than PIX Firewall. Beginning with Version 7.0, the ASA 5500 (minimum version requirement on the ASA is 7.0), and PIX platforms (running Version 7.0), provide the same firewall features. As the primary focus ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.