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Chroot-BIND HOWTO
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Chroot-BIND HOWTO
Scott Wunsch,
scott at wunsch.org
v1.2, 16 September 2025
This document describes installing the BIND 8 nameserver to run in a chroot jail and as a non-root user, to provide added security and minimise the potential effects of a security compromise.
1.
Introduction
1.1 What?
1.2 Why?
1.3 Where?
1.4 How?
1.5 Disclaimer
2.
Preparing the Jail
2.1 Creating a User
2.2 Directory Structure
2.3 Placing the BIND Data
2.4 System Support Files
2.5 Logging
3.
Compiling BIND
3.1 Modifying Paths
3.2 Doing the Build
4.
Installing Your Shiny New BIND
4.1 Installing the Tools Outside the Jail
4.2 Installing the Binaries in the Jail
4.3 Setting up the Init Script
4.4 Configuration Changes
5.
The End
5.1 Launching BIND
5.2 That's It!
6.
Appendix - Thanks
7.
Appendix - Document Distribution Policy
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