A web application firewall can be either a filter or a server plugin that controls the HTTP conversation by applying a set of rules. These rules usually include general attacks such as SQL injection and cross-site scripting (XSS).
To scan and block many other attacks, one can customize these set of rules to their application suitably. There are many market leaders in the industry that provides WAF like Cyberoam Web Application Firewall Solution Providers who offer network security appliances with multiple features. Some other market leaders that offer/resell solutions with variety of features are Fortinet Web Application Firewall Solution Providers who offer solutions with flexible deployment and efficient management, reliable support and implementation services.
Imperva Web Application Firewall Authorized Dealers provide ultra-high performance, permitting organizations to merge device management and report to future bandwidth requirements.
Before choosing any web application firewall provider, your organization has look for two main criteria: 1. How effective are the default set of rules and 2. How easily and efficiently they can be customized. Many times the default set of rules breaks and needs modification. So it’s quite important to consider many things such as the effectiveness of logging, speeds that default rule set can handle, platforms it can support and its condition. Also, akin to any firewall it needs to be up-to-date to boost its performance.
Functions of WAF: