SecurityDevOps/Cloud
WAF
Also written as Web Application Firewall
A firewall specifically designed to filter and monitor HTTP traffic to a web application, blocking common attack patterns (like SQL injection attempts) before they reach the app.
Think of it like
Like a bouncer specifically trained to spot known troublemakers' faces, stationed in front of the regular security desk (the general Firewall).
Junior or senior?
Junior sounds like
Can't distinguish a WAF from a traditional network firewall.
Senior sounds like
Can clearly explain what each one protects against.
Ask them
“What's the difference between what a WAF protects against versus a traditional network firewall?”