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Everything about Web application firewall

HTTP specific network security system

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 configuration. Financial institutions often utilize WAFs to help in the mitigation of Web application zero-day vulnerabilities, as well as hard-to-patch bugs or weaknesses through custom attack signature strings. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Web application firewallA 5-minute orientation
  2. Skim a recent paper: PROGESI: A PROxy Grammar to Enhance Web Application Firewall for SQL Injection PreventionInfluential work since 2022
  3. Pick up a classic book: Computer NetworksThe most-reprinted book on the subject
  4. Read the landmark paper: Deep Learning Technique-Enabled Web Application Firewall for the Detection of Web AttacksCited 97 times
  5. Go sideways: Security testingA closely related topic
  6. Go sideways: ModSecurityA closely related topic

📖 Definitions

No dictionary entry for this exact phrase.

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

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