With a cloud-based WAF, the end-user does not need any software or hardware on-premises all the cloud-based WAF components are located in the cloud. They are usually provided via the SaaS model and managed online, but they can also be supplied via fully managed services. Types of Cloud-based Web Application Firewall ServicesĬloud-based WAFs are next-generation Web Application Firewalls. In this article, we’ll focus only on the cloud-based WAF services and their different types. For example, you can find the same WAF software via the cloud, hybrid, fully-managed, virtual machine, and even on-premises appliances, etc. Service providers offer WAFs via different deployments. WAFs are a critical element in any web defense strategy as they protect your web apps from the common threats shown in the top ten OWASP’s like SQL injection, cross-site scripts (XSS), and DDoS. To accomplish this, the WAF monitors the traffic between the app and the client and filters out (or blocks) unwanted or suspicious traffic based on a set of rules. That includes all of its underlying resources, from servers, databases, networks, etc. Web Application Firewalls (WAFs) were initially built to protect web applications.
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