Why WFP?
WFP is a powerful API provided by Microsoft that lets developers hook into the Windows networking stack at multiple layers – from application-level protocols like HTTP to transport-level flows like TCP/IP.
With WFP, you can:
- Intercept, inspect, block or redirect traffic
- Filter packets by process, user, port, or protocol
- Build kernel-mode callouts that see every byte of data
- Create sophisticated rules in user-mode and update them live
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