HTTP(S) is the foundation of data communication for the World Wide Web, and functions as a request-response protocol for communications. Mobile apps, cloud computing, API communications, Intranet applications and webmail are common tools we use every day. These applications are communicating over HTTP(S).
Qualys provides applications that allow you to scan and identify vulnerabilities - Qualys Vulnerability Management (VM) and Qualys Web Application Scanning (WAS).
Experience shows that patching web site source code can take longer than expected, depending on the affected component, development resources, and how agile the company is in applying and validating software updates.
That's where Qualys Web Application Firewall (WAF) comes in. This is an immediate remediation tool that is able to protect your web applications against attacks and gives your development team time to fix important security issues.
Using WAF, users can deploy multiple firewall instances for their web applications. Each firewall consists of a virtual appliance that is configured to reverse proxy your HTTP(S) traffic. This appliance will be located in your virtualization platform (Amazon EC2, Microsoft Azure, Google Cloud, VMware or Hyper-V) on a server or docker (container), and will be instantiated from a Qualys image.
For optimum performance, we recommend limiting the number of web applications deployed for each WAF appliance to 10.
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