![]() ![]() Most of the successful ones were performed when attackers managed to find a vulnerability in the code and use it to make the malware look like a part of application traffic. WAFs inspect the traffic as it comes and goes, preventing common attacks that arise from application code vulnerabilities (such as cross-site scripting (XSS), SQL injection).įor better understanding WAF, one thing you need to know is the nature of the modern network attacks. ![]() When IDS/IPS serves as a gatekeeper of all network traffic, WAF is only looking for attacks that come from applications, monitoring mostly the HTTP/HTTPS protocol. Compared to intrusion detection systems (IDS/IPS), WAFs have a strong focus on the application traffic and have the ability to provide deep data flow analysis. Commonly abbreviated as WAF, a web application firewall is used to filter, block, or monitor inbound and outbound web application HTTP traffic. ![]()
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