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<HTML
><HEAD
><TITLE
>Optional Additional Configuration</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="The Bugzilla Guide - 2.17.5 
    Development Release"
HREF="index.html"><LINK
REL="UP"
TITLE="Installation"
HREF="installation.html"><LINK
REL="PREVIOUS"
TITLE="HTTP Server Configuration"
HREF="http.html"><LINK
REL="NEXT"
TITLE="OS Specific Installation Notes"
HREF="os-specific.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"
>The Bugzilla Guide - 2.17.5 
    Development Release</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="http.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 4. Installation</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="os-specific.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="extraconfig"
></A
>4.3. Optional Additional Configuration</H1
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="AEN852"
></A
>4.3.1. Dependency Charts</H2
><P
>As well as the text-based dependency graphs, Bugzilla also
      supports dependency graphing, using a package called 'dot'.
      Exactly how this works is controlled by the 'webdotbase' parameter,
      which can have one of three values:
      </P
><P
>&#13;        <P
></P
><OL
TYPE="1"
><LI
><P
>&#13;            A complete file path to the command 'dot' (part of 
            <A
HREF="http://www.graphviz.org/"
TARGET="_top"
>GraphViz</A
>) 
            will generate the graphs locally
            </P
></LI
><LI
><P
>&#13;            A URL prefix pointing to an installation of the webdot package will
            generate the graphs remotely
            </P
></LI
><LI
><P
>&#13;            A blank value will disable dependency graphing.
            </P
></LI
></OL
>
      </P
><P
>So, to get this working, install
      <A
HREF="http://www.graphviz.org/"
TARGET="_top"
>GraphViz</A
>. If you
      do that, you need to
      <A
HREF="http://httpd.apache.org/docs/mod/mod_imap.html"
TARGET="_top"
>enable
      server-side image maps</A
> in Apache.
      Alternatively, you could set up a webdot server, or use the AT&#38;T 
      public webdot server (the
      default for the webdotbase param). Note that AT&#38;T's server won't work
      if Bugzilla is only accessible using HARTS.
      </P
></DIV
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="AEN867"
></A
>4.3.2. Bug Graphs</H2
><P
>As long as you installed the GD and Graph::Base Perl modules you
      might as well turn on the nifty Bugzilla bug reporting graphs.</P
><P
>Add a cron entry like this to run 
      <TT
CLASS="filename"
>collectstats.pl</TT
> 
      daily at 5 after midnight: 
      <P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
>&#13;          <TT
CLASS="computeroutput"
>&#13;            <TT
CLASS="prompt"
>bash#</TT
>

            <B
CLASS="command"
>crontab -e</B
>
          </TT
>
        </TD
></TR
><TR
><TD
>&#13;          <TT
CLASS="computeroutput"
>5 0 * * * cd &#60;your-bugzilla-directory&#62; ;
          ./collectstats.pl</TT
>
        </TD
></TR
></TBODY
></TABLE
><P
></P
>
      </P
><P
>After two days have passed you'll be able to view bug graphs from
      the Bug Reports page.</P
></DIV
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="AEN880"
></A
>4.3.3. The Whining Cron</H2
><P
>By now you have a fully functional Bugzilla, but what good are
      bugs if they're not annoying? To help make those bugs more annoying you
      can set up Bugzilla's automatic whining system to complain at engineers
      which leave their bugs in the NEW state without triaging them.
      </P
><P
>&#13;      This can be done by
      adding the following command as a daily crontab entry (for help on that
      see that crontab man page): 
      <P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
>&#13;          <TT
CLASS="computeroutput"
>&#13;            <B
CLASS="command"
>cd &#60;your-bugzilla-directory&#62; ;
            ./whineatnews.pl</B
>
          </TT
>
        </TD
></TR
></TBODY
></TABLE
><P
></P
>
      </P
><DIV
CLASS="tip"
><P
></P
><TABLE
CLASS="tip"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/tip.gif"
HSPACE="5"
ALT="Tip"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Depending on your system, crontab may have several manpages.
        The following command should lead you to the most useful page for
        this purpose: 
        <TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="programlisting"
>&#13;man 5 crontab
	</PRE
></FONT
></TD
></TR
></TABLE
>
        </P
></TD
></TR
></TABLE
></DIV
></DIV
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="bzldap"
></A
>4.3.4. LDAP Authentication</H2
><P
>LDAP authentication is a module for Bugzilla's plugin 
      authentication architecture.
      </P
><P
>&#13;      The existing authentication
      scheme for Bugzilla uses email addresses as the primary user ID, and a
      password to authenticate that user. All places within Bugzilla where
      you need to deal with user ID (e.g assigning a bug) use the email
      address. The LDAP authentication builds on top of this scheme, rather
      than replacing it. The initial log in is done with a username and
      password for the LDAP directory. This then fetches the email address
      from LDAP and authenticates seamlessly in the standard Bugzilla
      authentication scheme using this email address. If an account for this
      address already exists in your Bugzilla system, it will log in to that
      account. If no account for that email address exists, one is created at
      the time of login. (In this case, Bugzilla will attempt to use the
      "displayName" or "cn" attribute to determine the user's full name.)
      After authentication, all other user-related tasks are still handled by
      email address, not LDAP username. You still assign bugs by email
      address, query on users by email address, etc.
      </P
><DIV
CLASS="caution"
><P
></P
><TABLE
CLASS="caution"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/caution.gif"
HSPACE="5"
ALT="Caution"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Because the Bugzilla account is not created until the first time
        a user logs in, a user who has not yet logged is unknown to Bugzilla.
        This means they cannot be used as an assignee or QA contact (default or
        otherwise), added to any cc list, or any other such operation. One
        possible workaround is the <TT
CLASS="filename"
>bugzilla_ldapsync.rb</TT
>
        script in the
        <A
HREF="glossary.html#gloss-contrib"
><I
CLASS="glossterm"
><TT
CLASS="filename"
>contrib</TT
></I
></A
> directory. Another possible solution is fixing
        <A
HREF="http://bugzilla.mozilla.org/show_bug.cgi?id=201069"
TARGET="_top"
>bug
        201069</A
>.
        </P
></TD
></TR
></TABLE
></DIV
><P
>Parameters required to use LDAP Authentication:</P
><P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><A
NAME="param-loginmethod"
></A
>loginmethod</DT
><DD
><P
>This parameter should be set to <SPAN
CLASS="QUOTE"
>"LDAP"</SPAN
>
            <EM
>only</EM
> if you will be using an LDAP directory
            for authentication. If you set this param to <SPAN
CLASS="QUOTE"
>"LDAP"</SPAN
> but
            fail to set up the other parameters listed below you will not be
            able to log back in to Bugzilla one you log out. If this happens
            to you, you will need to manually edit
            <TT
CLASS="filename"
>data/params</TT
> and set loginmethod to
            <SPAN
CLASS="QUOTE"
>"DB"</SPAN
>.
            </P
></DD
><DT
><A
NAME="param-LDAPserver"
></A
>LDAPserver</DT
><DD
><P
>This parameter should be set to the name (and optionally the
            port) of your LDAP server. If no port is specified, it assumes
            the default LDAP port of 389.
            </P
><P
>Ex. <SPAN
CLASS="QUOTE"
>"ldap.company.com"</SPAN
>
             or <SPAN
CLASS="QUOTE"
>"ldap.company.com:3268"</SPAN
>
            </P
></DD
><DT
><A
NAME="param-LDAPbinddn"
></A
>LDAPbinddn [Optional]</DT
><DD
><P
>Some LDAP servers will not allow an anonymous bind to search
             the directory. If this is the case with your configuration you
             should set the LDAPbinddn parameter to the user account Bugzilla
             should use instead of the anonymous bind.
             </P
><P
>Ex. <SPAN
CLASS="QUOTE"
>"cn=default,cn=user:password"</SPAN
></P
></DD
><DT
><A
NAME="param-LDAPBaseDN"
></A
>LDAPBaseDN</DT
><DD
><P
>The LDAPBaseDN parameter should be set to the location in
             your LDAP tree that you would like to search for e-mail addresses.
             Your uids should be unique under the DN specified here.
             </P
><P
>Ex. <SPAN
CLASS="QUOTE"
>"ou=People,o=Company"</SPAN
></P
></DD
><DT
><A
NAME="param-LDAPuidattribute"
></A
>LDAPuidattribute</DT
><DD
><P
>The LDAPuidattribute parameter should be set to the attribute
             which contains the unique UID of your users. The value retrieved
             from this attribute will be used when attempting to bind as the
             user to confirm their password.
             </P
><P
>Ex. <SPAN
CLASS="QUOTE"
>"uid"</SPAN
></P
></DD
><DT
><A
NAME="param-LDAPmailattribute"
></A
>LDAPmailattribute</DT
><DD
><P
>The LDAPmailattribute parameter should be the name of the
             attribute which contains the e-mail address your users will enter
             into the Bugzilla login boxes.
             </P
><P
>Ex. <SPAN
CLASS="QUOTE"
>"mail"</SPAN
></P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="content-type"
></A
>4.3.5. Preventing untrusted Bugzilla content from executing malicious
      Javascript code</H2
><P
>It is possible for a Bugzilla attachment to contain malicious 
      Javascript
      code, which would be executed in the domain of your Bugzilla, thereby
      making it possible for the attacker to e.g. steal your login cookies. 
      Due to internationalization concerns, we are unable to
      incorporate by default the code changes necessary to fulfill the CERT 
      advisory requirements mentioned in 
      <A
HREF="http://www.cert.org/tech_tips/malicious_code_mitigation.html/#3"
TARGET="_top"
>http://www.cert.org/tech_tips/malicious_code_mitigation.html/#3</A
>.
      If your installation is for an English speaking audience only, making the
      change below will prevent this problem. 
      </P
><P
>Simply locate the following line in
      <TT
CLASS="filename"
>Bugzilla/CGI.pm</TT
>:
      <TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="programlisting"
>&#13;    $self-&#62;charset('');
      </PRE
></FONT
></TD
></TR
></TABLE
>
      and change it to:
      <TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="programlisting"
>&#13;    $self-&#62;charset('ISO-8859-1');
      </PRE
></FONT
></TD
></TR
></TABLE
>
      </P
></DIV
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="mod_perl"
></A
>4.3.6. Bugzilla and <TT
CLASS="filename"
>mod_perl</TT
></H2
><P
>Bugzilla is unsupported under mod_perl.  Effort is underway
      to make it work cleanly in a mod_perl environment, but it is
      slow going.
      </P
></DIV
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="mod-throttle"
></A
>4.3.7. <TT
CLASS="filename"
>mod_throttle</TT
>

      and Security</H2
><P
>It is possible for a user, by mistake or on purpose, to access
      the database many times in a row which can result in very slow access
      speeds for other users. If your Bugzilla installation is experiencing
      this problem , you may install the Apache module 
      <TT
CLASS="filename"
>mod_throttle</TT
>

      which can limit connections by ip-address. You may download this module
      at 
      <A
HREF="http://www.snert.com/Software/mod_throttle/"
TARGET="_top"
>http://www.snert.com/Software/mod_throttle/</A
>.
      Follow the instructions to install into your Apache install. 
      <EM
>This module only functions with the Apache web
      server!</EM
>
      You may use the 
      <B
CLASS="command"
>ThrottleClientIP</B
>

      command provided by this module to accomplish this goal. See the 
      <A
HREF="http://www.snert.com/Software/mod_throttle/"
TARGET="_top"
>Module
      Instructions</A
>
      for more information.</P
></DIV
></DIV
><DIV
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><HR
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WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
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ACCESSKEY="H"
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