This blog post is the second half of my research on making it easier to create Seccomp-BPF filters and secure your containers with them. If you haven’t read the first half of this blog post yet, I recommend doing so before continuing here.

For returning readers, I’ll briefly refresh you on my last post. I introduced Seccomp-BPF, which is a Linux kernel feature that allows you to create filters that restrict which syscalls a process can make. This allows you to prevent a process from being able to do something that it was not intended to do if it requires a new syscall. Seccomp-BPF filters can also be applied to container runtimes and orchestration tools to limit what your containers can do while they’re running. That allows you to add a layer of protection against the potential exploitation of your applications and services.

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