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admin · Site Admin Joined: 21 Jun 2005 Posts: 209

Slapd is the stand-alone LDAP daemon.

It listens for LDAP connections on any number of ports (default 389), responding to the LDAP operations it receives over these connections.

slapd is typically invoked at boot time. Upon startup, slapd normally forks and disassociates itself from the invoking tty. If configured in the config file (or config directory), the slapd process will print its process ID to a .pid file, as well as the command line options during invocation to an .args file. If the -d flag is given, even with a zero argument, slapd will not fork and disassociate from the invoking tty.

Slapd can be configured to provide replicated service for a database with the help of slurpd, the standalone LDAP update replication daemon.

LDAP is used to store user data in large mail server installations.