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Difference between revisions of "Web Application Firewall"
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| − | + | =Description= | |
| + | A '''web application firewall (WAF)''' is an [https://en.wikipedia.org/wiki/Application_firewall application firewall] for HTTP applications. It applies a set of rules to an HTTP conversation. Generally, these rules cover common attacks such as [[Cross-site Scripting (XSS)|cross-site scripting (XSS)]] and [[SQL Injection|SQL injection]]. | ||
| − | + | While proxies generally protect clients, WAFs protect servers. A WAF is deployed to protect a specific web application or set of web applications. A WAF can be considered a [https://en.wikipedia.org/wiki/Reverse_proxy reverse proxy]. | |
| − | + | WAFs may come in the form of an appliance, server plugin, or filter, and may be customized to an application. The effort to perform this customization can be significant and needs to be maintained as the application is modified. | |
| − | + | = OWASP Projects = | |
| + | * The [https://www.owasp.org/index.php/Category:OWASP_ModSecurity_Core_Rule_Set_Project OWASP ModSecurity CRS Project's] goal is to provide an easily "pluggable" set of generic attack detection rules that provide a base level of protection for any web application. | ||
| + | * Consider the [https://www.owasp.org/index.php/WASC_OWASP_Web_Application_Firewall_Evaluation_Criteria_Project Web Application Firewall Evaluation Criteria Project (WAFEC)] to help evaluate commercial and open source web application firewalls. | ||
| + | |||
| + | = References = | ||
| + | * https://en.wikipedia.org/wiki/Web_application_firewall | ||
| − | + | [[Category: OWASP WAF]] | |
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Latest revision as of 23:33, 18 October 2016
Description
A web application firewall (WAF) is an application firewall for HTTP applications. It applies a set of rules to an HTTP conversation. Generally, these rules cover common attacks such as cross-site scripting (XSS) and SQL injection.
While proxies generally protect clients, WAFs protect servers. A WAF is deployed to protect a specific web application or set of web applications. A WAF can be considered a reverse proxy.
WAFs may come in the form of an appliance, server plugin, or filter, and may be customized to an application. The effort to perform this customization can be significant and needs to be maintained as the application is modified.
OWASP Projects
- The OWASP ModSecurity CRS Project's goal is to provide an easily "pluggable" set of generic attack detection rules that provide a base level of protection for any web application.
- Consider the Web Application Firewall Evaluation Criteria Project (WAFEC) to help evaluate commercial and open source web application firewalls.
