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Web Application Firewall

Web Application Firewall (WAF) is the firewall which filter, Monitor and blocks the HTTP traffic to and from the web application. WAF is different from the system regular firewall because regular firewall provides the safety gates between the server while the WAF filter the content of the web application. It protect the web application by controlling the input and output and access to and from the web application. When we apply WAF on any web application it inspect every HTML, HTTPS, SOAP and XML data packet. Basically WAF is used to prevent from the HTTP attacks such as cross site scripting(xss), sql injection etc.

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