WAF
Last updated
Last updated
Application Layer, known as Layer 7 or L7 firewalls are capable of inspecting, filtering and even adjusting data up to Layer 7 of the OSI model.
They have visibility of the data inside a L7 connection. For HTTP this means content, headers, DNS names .. for SMTP this would mean visibility of email metadata and for plaintext emails the contents.
AWS WAF is a web application firewall that helps protect your web applications or APIs against common web exploits and bots that may affect availability, compromise security, or consume excessive resources.