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bpfilter - BPF Based Firewall

Linux Plumbers Conference via YouTube

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Overview

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This talk explains bpfilter, a BPF-based firewall, and how it generates BPF programs from iptables rules. It covers the userspace helper, kernel API, deployment model, performance, and limitations.

Syllabus

Introduction
iptables
rules
example
match
optimization
kernel API
userspace
bpfilter
userspace helper
process
table filter
BPF program generation
BPF rules
Code generation
EDP port margin
Program generation
Performance
Limitations
Conclusion
Deployment model
Packet forwarding
Performance features
Use case

Taught by

Linux Plumbers Conference

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