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>Securing and Optimizing Linux: RedHat Edition -A Hands on Guide</TH
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>Chapter 26. Linux OpenLDAP Server</TD
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><H1
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><A
NAME="AEN16571"
>26.9. OpenLDAP Users Tools</A
></H1
><P
>&#13;               To Search on <SPAN
CLASS="acronym"
>LDAP</SPAN
> directory server for entries, the ldapsearch utility searches through the backend database of <SPAN
CLASS="acronym"
>LDAP</SPAN
> directory for information you have requested.
               You can use the following command:
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><PRE
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>&#13;                 [root@deep] /# <B
CLASS="command"
>ldapsearch</B
> -b dn attrs
                 [root@deep] /# <B
CLASS="command"
>ldapsearch</B
> -b o=openna, c=com cn=europe*
               </PRE
></TD
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>
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>&#13;                 cn=Europe Mourani, o=openna, c=com
                 cn=Europe Mourani
                 sn=Mourani
                 mail=emourani@old.com
                 description=Marketing relation
                 objectClass=person
               </TT
></PRE
></TD
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>
               This command will retrieve all entries and values for the name europe and will print the result to standard output in your terminal.
             </P
><P
>&#13;             Some possible uses of OpenLDAP software, for instance OpenLDAP can be used as:
             <P
></P
><OL
TYPE="I"
><LI
><P
>&#13;                 Web Catalogue Server.
               </P
></LI
><LI
><P
>&#13;               White Pages Server.
               </P
></LI
><LI
><P
>&#13;               Certificate Server.
               </P
></LI
><LI
><P
>&#13;               An Access Control Server.
               </P
></LI
><LI
><P
>&#13;               Network Name Server.
               </P
></LI
></OL
>
             </P
><DIV
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><H2
CLASS="section"
><A
NAME="AEN16593"
>26.9.1. The Netscape Address Book client for <SPAN
CLASS="acronym"
>LDAP</SPAN
></A
></H2
><P
>&#13;                 If you have Netscape installed on a Linux workstation, or even another kind of operating system, you can use its Address Book features to access the <SPAN
CLASS="acronym"
>LDAP</SPAN
> Directory Server you have just installed
                 on Linux and query your directory server for information like you do with the <B
CLASS="command"
>ldapsearch</B
> command tool on Linux.
               </P
><P
>&#13;                 If you are interested in doing that, follow the simple steps below:
                 <P
></P
><OL
TYPE="1"
><LI
><P
>&#13;                     Open Netscape Communicator
                   </P
></LI
><LI
><P
>&#13;                   Go to Communicator menu
                   </P
></LI
><LI
><P
>&#13;                   Open the Address Book
                   </P
></LI
><LI
><P
>&#13;                   Go to File menu
                   </P
></LI
><LI
><P
>&#13;                   Click on New Directory
                   </P
></LI
><LI
><P
>&#13;                   Fill the boxes with your server information
                   </P
></LI
></OL
>
               </P
><DIV
CLASS="example"
><A
NAME="AEN16613"
></A
><P
><B
>Example 26-4. Address Book</B
></P
><P
>&#13;                     <P
></P
><TABLE
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><TBODY
><TR
><TD
>&#13;                     <SPAN
CLASS="guimenuitem"
>Description:</SPAN
> <TT
CLASS="userinput"
><B
>Open Network Architecture</B
></TT
>
                     </TD
></TR
><TR
><TD
>&#13;                     <SPAN
CLASS="guimenuitem"
>LDAP Server:</SPAN
> <TT
CLASS="userinput"
><B
>208.164.186.3</B
></TT
>
                     </TD
></TR
><TR
><TD
>&#13;                     <SPAN
CLASS="guimenuitem"
>Server Root:</SPAN
> <TT
CLASS="userinput"
><B
>o=openna, c=com</B
></TT
>
                     </TD
></TR
></TBODY
></TABLE
><P
></P
>
                 </P
></DIV
><P
>&#13;                 Now all you have to do is to make some queries to your <SPAN
CLASS="acronym"
>LDAP</SPAN
> Directory Server on Linux, by using the box named <SPAN
CLASS="guimenu"
>Show names Containing:</SPAN
> to start your search, and clicking on
                 the button <SPAN
CLASS="guimenuitem"
>Search For:</SPAN
> to get the results.
                 </P
><P
>&#13;                 <DIV
CLASS="mediaobject"
><P
><IMG
SRC="./images/LDAP-AddressBook.gif"
ALT="Address Book"
></IMG
><DIV
CLASS="caption"
><P
>The Netscape Address Book Client Program.</P
></DIV
></P
></DIV
>
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