A web application firewall sits logically between your web application and a server that supports the Internet, and protects against certain HTML attacks such as cross-site scripting, SQL injection, and more. It can be hardware or cloud based, or it can be baked into the application itself to determine whether each client trying to access the server should allow access.
next generation firewall
Packets can be filtered using more than link status and source and destination addresses. This is where NGFW comes into play. It unifies the rules for what individual apps and users can do and brings together data collected from different technologies to make better decisions about what traffic to allow and what traffic to leave.
For example, some of these NGFWs perform URL filtering, terminate Secure Sockets Layer (SSL) and Transport Layer Security (TLS) connections, and support software-defined wide area networks (SD-WAN) over WANs for dynamic SD connections. apply.
