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# BIND 9
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[BIND (Berkeley Internet Name Domain)](https://www.isc.org/downloads/bind/doc/) is a complete, highly portable
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implementation of the DNS (Domain Name System) protocol.
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Internet Systems Consortium
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([https://www.isc.org](https://www.isc.org)), a 501(c)(3) public benefit
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corporation dedicated to providing software and services in support of the
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Internet infrastructure, developed BIND 9 and is responsible for its
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ongoing maintenance and improvement.
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More details about upstream project can be found on their
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[gitlab](https://gitlab.isc.org/isc-projects/bind9). This repository contains
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only upstream sources and packaging instructions for
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[Fedora Project](https://fedoraproject.org).
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## Subpackages
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The package contains several subpackages, some of them can be disabled on rebuild.
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* **bind** -- *named* daemon providing DNS server
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* **bind-utils** -- set of tools to analyse DNS responses or update entries (dig, host)
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* **bind-doc** -- documentation for current bind, *BIND 9 Administrator Reference Manual*.
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* **bind-license** -- Shared license for all packages but bind-export-libs.
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* **bind-sdb** -- *named* daemon built with support for [Dynamically Loadable Zones](http://bind-dlz.sourceforge.net/), interface to serve DNS names from external databases like LDAP or SQL. Can be disabled by `--without SDB`.
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* **bind-pkcs11** -- *named* daemon built with native PKCS#11 support. Can be disabled by `--without PKCS11`.
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* **bind-libs** and **bind-libs-lite** -- Shared libraries used by some others programs
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* **bind-export-libs** -- Special subset of libraries without support for threads. Used by *dhcp* package. Can be disabled by `--without EXPORT_LIBS`
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* **bind-devel** -- Development headers for libs. Can be disabled by `--without DEVEL`
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## Optional features
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* *GSSTSIG* -- Support for Kerberos authentication in BIND.
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* *LMDB* -- Support for dynamic database for managing runtime added zones. Provides faster removal of added zone with much less overhead. But requires lmdb linked to base libs.
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* *DLZ* -- Support for dynamic loaded modules providing support for features *bind-sdb* provides, but only small module is required.