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Guest Post: Functionality and Benefits of WAF standard

The following guest post was provided by Ben Henderson, CISSP from Ensure Networks. Email him here. You can download the full paper here. The foremost functionality of a WAF is to secure web applications against application layer vulnerabilities. WAFs can be hardware devices or software that is deployed to monitor and protect web traffic. WAFs have the ability to enforce default and custom configured policies for browser to server transactions. They are similar to network firewalls on in the that WAF policies generally apply to IP addresses and ports. However, WAFs inspect HTTP traffic to normalize the data in the headers and URL parameters. They employ a variety of functions and work in parallel with IPS technology to enhance the ...

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