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A daemon to manage identity, authentication and authorization for centrally-managed systems.

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SSSD - System Security Services Daemon

Introduction

SSSD provides a set of daemons to manage access to remote directories and authentication mechanisms such as LDAP, Kerberos or FreeIPA. It provides an NSS and PAM interface toward the system and a pluggable backend system to connect to multiple different account sources.

More information about SSSD can be found on its project page - https://github.com/SSSD/sssd.

Downloading SSSD

SSSD is shipped as a binary package by most Linux distributions. If you want to obtain the latest source files, please navigate to the Releases folder on GitHub.

We sign release tarballs with our gpg key (id C13CD07FFB2DB1408E457A3CD3D21B2910CF6759) since April 2022. For convenience, the key is also uploaded to keys.openpgp.org keyserver. You can import the key using:

$ curl -o sssd.asc https://raw.githubusercontent.com/SSSD/sssd/master/contrib/pubkey.asc
$ gpg2 --import sssd.asc

or

$ gpg2 --keyserver keys.openpgp.org --recv-keys C13CD07FFB2DB1408E457A3CD3D21B2910CF6759

And verify the signature with:

$ version=x.y.z
$ curl -o sssd-$version.tar.gz https://github.com/SSSD/sssd/releases/download/$version/sssd-$version.tar.gz
$ curl -o sssd-$version.tar.gz.asc https://github.com/SSSD/sssd/releases/download/$version/sssd-$version.tar.gz.asc
$ gpg2 --verify sssd-$version.tar.gz.asc sssd-$version.tar.gz

Releases

SSSD maintains two release streams - stable and LTM. Releases designated as LTM are long-term maintenance releases and will see bugfixes and security patches for a longer time than other releases.

The list of all releases is maintained together with SSSD documentation.

Building and installation from source

Please see the our developer documentation.

Documentation

The most up-to-date documentation can be found at https://sssd.io.

Its source code is hosted at https://github.com/SSSD/sssd.io.

Submitting bugs

Please file an issue in the SSSD github instance. Make sure to follow the guide on reporting SSSD bugs.

Licensing

Please see the file called COPYING.

Contacts

There are several ways to contact us: