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The Right Firewall for the Job
|The Big Picture|
|The Right Firewall for the Job
As security threats multiply and proliferate, so seemingly do the number and style of firewalls designed to thwart them. At Network Computing, we most recently took a closer look at Web Application Firewalls, which pick up where classic network firewalls leave off. While a network firewall keeps out intruders, a Web application firewalls protects the application layr from attacks, using deep-packet inspection to guard against SQL injection, session hijacking, cross-site scripting, buffer overflows and other threats.
What kinds of threats are we talking about? Consider:
- An attacker could enter an extremely long URL to try and create a buffer overflow.
- A cross-site scripting attack could attempt to capture legitimate user session information.
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