![]() But the traditional firewall approach isn’t ideal for the cloud. In the pre-cloud era, you could use firewalls to segment internal from external networks to protect your assets from malicious network traffic. ![]() Their ability to detect and respond to malicious requests before web applications and web servers accept the requests provides businesses (and their customers) with essential security. A web application firewall (WAF) is a type of firewall that protects web applications and APIs by filtering, monitoring and blocking malicious web traffic and application-layer attacks - such as DDoS, SQL injection, cookie manipulation, cross-site scripting (XSS), cross-site forgery and file inclusion.Īs a Layer 7 defense, WAFs focus on traffic between web applications and the internet.
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