Beginner's Guide to XDP: A Journey Through Crafting XDP-Based Firewall with BCC
Step into the world of eBPF/XDP with this beginner's guide. Learn to build a simple SSH firewall, utilizing XDP's capabilities for secure, incoming network traffic management!
Beyond Observability: Modifying Syscall Behavior with eBPF - My Precious Secret Files
This article dives into a subtle application of eBPF, extending beyond its conventional use for observability to demonstrate its capability to modify system call behavior, showcased through a simple application designed to safeguard our precious files.
IPv4 Socket Surveillance - Tracing using kprobe, kretprobe and maps with BCC
Through a simple app, this post illustrates real-time monitoring of network activities triggered by syscalls, utilizing kprobe, kretprobe, and maps. It highlights the synergy between eBPF and these probing tools, showcasing a practical approach to understanding network operations.
The beginning of my eBPF Journey - Kprobe Adventures with BCC
Embark on a fascinating journey into the realm of eBPF programming through this blog post. We kickstart our exploration with Kprobe, a dynamic tracing tool in the Linux kernel, by delving into a simple 'Hello World' and other experiment using BCC.