Web Application Firewall

De OWASP
(Redirigido desde «Web app firewall»)
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This is a countermeasure. To view all countermeasures, please see the Countermeasure Category page.

Description

A web application firewall (WAF) is an appliance, server plugin, or filter that applies a set of rules to an HTTP conversation. Generally, these rules cover common attacks such as cross-site scripting (XSS) and SQL injection. By customizing the rules to your application, many attacks can be identified and blocked. The effort to perform this customization can be significant and needs to be maintained as the application is modified.

A far more detailed description is available at Wikipedia.

Important selection criteria

For more information on web application firewall evaluation criteria, please visit Web Application Firewall Evaluation Criteria.

Tools

OWASP projects of this type