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A comment on BPF port-based firewall for systemd services. Parent comment

Re:BPF port-based firewall for systemd services by Klasiaster on Friday August 30, 2019 @05:56PM (#20843095)
The systemd feature is that in v243 you can now specify a BPF program for all sockets in the cgroup via `IPEgressFilterPath=/sys/fs/bpf/yourfilter` (same for `IPIngressFilterPath`).
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