X-Git-Url: https://git.adam-barratt.org.uk/?p=mirror%2Fuserdir-ldap.git;a=blobdiff_plain;f=doc%2Fslapd-config.txt;fp=doc%2Fslapd-config.txt;h=122455d4f29e4cf4a27ba82c6838701dc86ea339;hp=1804081e6c241185b3727405b09b24c8f4c669e1;hb=25dbd296540b9f652ababe6c5fdb0a7cf7b4c197;hpb=51ea6ea7cca45abd829630757cf19d9e4228e6b6

diff --git a/doc/slapd-config.txt b/doc/slapd-config.txt
index 1804081..122455d 100644
--- a/doc/slapd-config.txt
+++ b/doc/slapd-config.txt
@@ -42,6 +42,13 @@ access to *
         by dn="uid=admin,ou=users,dc=debian,dc=org" write
         by group="uid=admin,ou=users,dc=debian,dc=org" write
 
+# Overlays are useful to enforce constraints:
+
+moduleload /usr/lib/ldap/unique.so
+overlay unique
+unique_base ou=users,dc=debian,dc=org
+unique_attributes uid keyFingerPrint
+
 # End----------
 
 Note that in more modern versions of slapd, the "by addr" and "by domain"