While firewalls have always been an important part of security, new innovations in firewall technology have allowed the application of deep packet inspection (DPI). This development is important because of the increased use of sophisticated new security threats.
Hackers are looking to delve deeper into database applications, financial reporting tools, ERP systems and the like to find the most intimate and potentially valuable information. Further, if a hacker's goal is to disrupt or damage, then loss of service to a mission-critical application is a sure win for the dark side.
Learn more about application-level security
To learn more about application-level security, check out the following white papers and Webcast from Nortel Networks and Spirent Communications:
Security: Enabling the Next Generation of Security Services With Application
Switching (Nortel Networks)
This white paper discusses how a layered approach to security can protect networks from application-layer security threats.
Switching: Application Optimized Networks and Application Layer-Security
This Webcast discusses the increasing need to optimize networks for application performance and ensure application-layer security due to enterprises' increasing reliance on applications to enhance business productivity and grow revenue.
Firewalls: Smaller Net, Tighter Filter (Spirent Communications)
This white paper delves into the vulnerabilities left by stateful packet-filtering firewalls and the countermeasures necessary to stop application-layer attacks.
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