The Fedora /etc/nsswitch.conf is based largely on the upstream

version with minor downstream distribution modifications for

use with SSSD and systemd.

diff --git a/nss/nsswitch.conf b/nss/nsswitch.conf

index 4a6bcb1f7bc0b1f4..980a68e32e6a04b8 100644

--- a/nss/nsswitch.conf

+++ b/nss/nsswitch.conf

@@ -1,7 +1,7 @@

 #

 # /etc/nsswitch.conf

 #

-# An example Name Service Switch config file. This file should be

+# Name Service Switch config file. This file should be

 # sorted with the most-used services at the beginning.

 #

 # Valid databases are: aliases, ethers, group, gshadow, hosts,

@@ -52,19 +52,21 @@

 # shadow:    db files

 # group:     db files

-# In alphabetical order. Re-order as required to optimize peformance.

+# In order of likelihood of use to accelerate lookup.

+passwd:     sss files

+shadow:     files

+group:      sss files

+hosts:      files dns myhostname

+services:   files sss

+netgroup:   sss

+automount:  files sss

+

 aliases:    files

 ethers:     files

-group:      files

 gshadow:    files

-hosts:      files dns

 # Allow initgroups to default to the setting for group.

 # initgroups: files

-netgroup:   files

 networks:   files dns

-passwd:     files

 protocols:  files

 publickey:  files

 rpc:        files

-shadow:     files

-services:   files