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  1. What is a WAF? | Web Application Firewall explained

    What is a Web Application Firewall (WAF)? A WAF or web application firewall helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery , cross-site-scripting (XSS) , file inclusion, and SQL injection , among ...

  2. Introduction to Azure Web Application Firewall | Microsoft Learn

    Jan 14, 2025 · Web Application Firewall (WAF) provides centralized protection of your web applications from common exploits and vulnerabilities. Web applications increasingly encounter malicious attacks that exploit commonly known vulnerabilities.

  3. What Is A Web Application Firewall (WAF)? - Cisco

    A web application firewall or WAF is a security tool that protects web applications against common web-based threats by monitoring, filtering, and blocking data packets.

  4. Web application firewall - Wikipedia

    A web application firewall (WAF) is a specific form of application firewall that filters, monitors, and blocks HTTP traffic to and from a web service. By inspecting HTTP traffic, it can prevent attacks exploiting a web application's known vulnerabilities, such as SQL injection , cross-site scripting (XSS), file inclusion , and improper system ...

  5. Web Application Firewall (WAF) Defined | CrowdStrike

    A Web Application Firewall (WAF) is a security device designed to protect organizations at the application level by filtering, monitoring and analyzing hypertext transfer protocol (HTTP) and hypertext transfer protocol secure (HTTPS) traffic between the web application and the internet.

  6. What is a Web Application Firewall? - GeeksforGeeks

    Aug 5, 2022 · Web Application Firewall protects the web application by filtering, monitoring, and blocking any malicious HTTP/S traffic that might penetrate the web application. In simple words, a Web Application Firewall acts as a shield between a web application and the Internet.

  7. What Is a Web Application Firewall (WAF)? - Akamai

    A web application firewall (WAF) is a security solution that protects web applications from common attacks by monitoring and filtering traffic, blocking malicious traffic entering a web application or unauthorized data leaving the app.

  8. Web Application Firewall WAF Explained: Benefits & Uses

    A Web Application Firewall, commonly abbreviated as WAF, serves as your application’s dedicated security guard. Unlike traditional firewalls that monitor network traffic at the transport layer, a WAF operates at the application layer, scrutinizing HTTP and HTTPS requests with surgical precision. Think of it as having a highly trained security ...

  9. What is a web application firewall (WAF)? WAF explained

    Mar 26, 2025 · A web application firewall (WAF) is a firewall that is meant to protect web applications against common web-based threats. A WAF monitors, filters and blocks Hypertext Transfer Protocol ( HTTP ) traffic as it travels to and from a website or web application.

  10. What is WAF | Types, Security & Features Explained | Imperva

    Apr 17, 2025 · A web application firewall, or WAF, is a security tool for monitoring, filtering and blocking incoming and outgoing data packets from a web application or website. WAFs can be host-based, network-based or cloud-based and are typically deployed through reverse proxies and placed in front of an application or website (or multiple apps and sites).

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