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technote:ebpf_configuration

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eBPF Configuration Tech Note

This page outlines how to configure and enable eBPF integration for TapeTrack Server on Linux systems. eBPF (Extended Berkeley Packet Filter) allows TapeTrack to dynamically manage IP-level blocking at the kernel level during the time-out period.

Prerequisites

Before enabling eBPF support, ensure the following:

  • Linux kernel version 4.4 or later
  • Root or sudo privileges
  • TapeTrack Server binary supports the `-B` argument
  • A preloaded eBPF table is available and accessible

Setup

Create or Load an eBPF Table

Use your preferred method to create an eBPF table that supports IP filtering. This may involve:

  • Using `bpftool` or `tc` to define a map
  • Preloading the table with default values
  • Ensuring the table is accessible to the TapeTrack Server process

Example: ```bash bpftool map create /sys/fs/bpf/tapetrack_block_map type hash key 4 value 4 entries 1024 name tapetrack_block_map

technote/ebpf_configuration.1759459455.txt.gz · Last modified: 2025/10/03 02:44 by Scott Cunliffe