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It is not meant to protect against all types of attacks. It usually keeps attacks like cross-site forgery, cross-site scripting (XSS), file inclusion, and SQL injection from getting into web applications.Ī WAF is a defense at the protocol layer 7 level in the OSI model. What Is a Web Application Firewall?Ī web application firewall, or WAF, filters and keeps an eye on HTTPS (Hypertext Transfer Protocol) traffic between a web application and the Internet.
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This article will discuss the best WAFs available in 2023 and their essential services and advantages to help you choose the right one for your organization. With cyberattacks on web applications rising, businesses must use strong application security and WAFs to protect their online assets. (Photo : Glenn Carstens-Peters / Unsplash)Ī web application firewall (WAF) is needed to protect web applications and APIs from cyber threats like SQL injection, cross-site scripting, and other malicious attacks.
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