<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML ><HEAD ><TITLE >General Backend Directives</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="LDAP Linux HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Configuring the LDAP Server" HREF="config.html"><LINK REL="PREVIOUS" TITLE="Global Directives" HREF="globaldirect.html"><LINK REL="NEXT" TITLE="General Database Directives" HREF="generaldbdirect.html"></HEAD ><BODY CLASS="section" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >LDAP Linux HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="globaldirect.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 3. Configuring the LDAP Server</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="generaldbdirect.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="GeneralBEDirect" ></A >3.3. General Backend Directives</H1 ><P >Directives in this section apply only to the backend in which they are defined. They are supported by every type of backend. Backend directives apply to all databases instances of the same type and, depending on the directive, may be overridden by database directives.</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="screen" >backend <type></PRE ></FONT ></TD ></TR ></TABLE ><P >This directive marks the beginning of a backend definition. <type> should be one of bdb or one of other supported backend types listed below: <DIV CLASS="table" ><A NAME="AEN390" ></A ><P ><B >Table 3-2. Database Backends</B ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><THEAD ><TR ><TH WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >Type</TH ><TH WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >Description</TH ></TR ></THEAD ><TBODY ><TR ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >bdb</TD ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >Berkeley DB transactional backend</TD ></TR ><TR ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >dnssrv</TD ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >DNS SRV backend</TD ></TR ><TR ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >ldbm</TD ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >Lightweight DBM backend</TD ></TR ><TR ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >ldap</TD ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >Lightweight Directory Access Protocol (Proxy) backend</TD ></TR ><TR ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >meta</TD ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >Meta Directory backend</TD ></TR ><TR ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >monitor</TD ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >Monitor backend</TD ></TR ><TR ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >passwd</TD ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >Provides read-only access to passwd(5)</TD ></TR ><TR ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >perl</TD ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >Perl programmable backend</TD ></TR ><TR ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >shell</TD ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >Shell (external program) backend</TD ></TR ><TR ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >sql</TD ><TD WIDTH="0" ALIGN="LEFT" VALIGN="MIDDLE" >SQL programmable backend</TD ></TR ></TBODY ></TABLE ></DIV ></P ><P >Example:</P ><P >backend bdb</P ><P >This marks the beginning of a new BDB backend definition</P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="globaldirect.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="generaldbdirect.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Global Directives</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="config.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >General Database Directives</TD ></TR ></TABLE ></DIV ></BODY ></HTML >