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|
<HTML
><HEAD
><TITLE
>Optional Additional Configuration</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><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="Step-by-step Install"
HREF="stepbystep.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="stepbystep.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
>4.2. Optional Additional Configuration</H1
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="AEN832"
></A
>4.2.1. 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
> <P
></P
><OL
TYPE="1"
><LI
><P
> 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
> A URL prefix pointing to an installation of the webdot package will
generate the graphs remotely
</P
></LI
><LI
><P
> 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&T
public webdot server (the
default for the webdotbase param). Note that AT&T's server won't work
if Bugzilla is only accessible using HARTS.
</P
></DIV
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="AEN847"
></A
>4.2.2. 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
> <TT
CLASS="computeroutput"
> <TT
CLASS="prompt"
>bash#</TT
>
<B
CLASS="command"
>crontab -e</B
>
</TT
>
</TD
></TR
><TR
><TD
> <TT
CLASS="computeroutput"
>5 0 * * * cd <your-bugzilla-directory> ;
./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="AEN860"
></A
>4.2.3. 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
> 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
> <TT
CLASS="computeroutput"
> <B
CLASS="command"
>cd <your-bugzilla-directory> ;
./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"
> man 5 crontab
</PRE
></FONT
></TD
></TR
></TABLE
>
</P
></TD
></TR
></TABLE
></DIV
></DIV
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="bzldap"
></A
>4.2.4. LDAP Authentication</H2
><DIV
CLASS="note"
><P
></P
><TABLE
CLASS="note"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/note.gif"
HSPACE="5"
ALT="Note"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>LDAP authentication has been rewritten for the 2.18 release of
Bugzilla. It no longer requires the Mozilla::LDAP module and now uses
Net::LDAP instead. This rewrite was part of a larger landing that
allowed for additional authentication schemes to be easily added
(<A
HREF="http://bugzilla.mozilla.org/show_bug.cgi?id=180642"
TARGET="_top"
>bug
180642</A
>).
</P
><P
>This patch originally landed in 21-Mar-2003 and was included
in the 2.17.4 development release.
</P
></TD
></TR
></TABLE
></DIV
><P
> 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
>4.2.5. Preventing untrusted Bugzilla content from executing malicious
Javascript code</H2
><P
>It is possible for a Bugzilla to execute malicious Javascript
code. Due to internationalization concerns, we are unable to
incorporate 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
>.
Making the change below will fix the problem if your installation is for
an English speaking audience.
</P
><P
>Telling Bugzilla to output a charset as part of the HTTP header is
much easier in version 2.18 and higher (including any cvs
pull after 4-May-2003 and development release after 2.17.5) than it was
in previous versions. 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"
> # Make sure that we don't send any charset headers
$self->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"
> # Send all data using the ISO-8859-1 charset
$self->charset('ISO-8859-1');
</PRE
></FONT
></TD
></TR
></TABLE
>
</P
><DIV
CLASS="note"
><P
></P
><TABLE
CLASS="note"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/note.gif"
HSPACE="5"
ALT="Note"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Using <meta> tags to set the charset is not
recommended, as there's a bug in Netscape 4.x which causes pages
marked up in this way to load twice. See
<A
HREF="http://bugzilla.mozilla.org/show_bug.cgi?id=126266"
TARGET="_top"
>bug 126266</A
>
for more information including progress toward making
bugzilla charset aware by default.
</P
></TD
></TR
></TABLE
></DIV
></DIV
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="directoryindex"
></A
>4.2.6. <TT
CLASS="filename"
>directoryindex</TT
> for the Bugzilla default page.</H2
><P
>You should modify the <DirectoryIndex> parameter for
the Apache virtual host running your Bugzilla installation to
allow <TT
CLASS="filename"
>index.cgi</TT
> as the index page for a
directory, as well as the usual <TT
CLASS="filename"
>index.html</TT
>,
<TT
CLASS="filename"
>index.htm</TT
>, and so forth. </P
></DIV
><DIV
CLASS="section"
><H2
CLASS="section"
><A
NAME="mod_perl"
></A
>4.2.7. 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
>4.2.8. <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
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="stepbystep.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="os-specific.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Step-by-step Install</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="installation.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>OS Specific Installation Notes</TD
></TR
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