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<H1 ALIGN="CENTER">Apache Server Frequently Asked Questions</H1>
<P>
- $Revision: 1.63 $ ($Date: 1997/06/04 11:42:55 $)
+ $Revision: 1.64 $ ($Date: 1997/06/08 01:33:29 $)
</P>
<P>
The latest version of this FAQ is always available from the main
<!-- HTTP/1.1 browsers? -->
<!-- - Is there an Apache for W95/WNT? -->
<!-- - Why does Apache die when a vhost can't be DNS-resolved? -->
-<!-- - How do I setup an access restriction so that people from -->
-<!-- this domain don't have to authenticate, and all others can -->
-<!-- do so via a username and password? -->
<!-- - Why do I get "send lost connection" messages in my error -->
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<!-- - specifically consider .pdf files which seem to cause this -->
<!-- a lot when accessed via the plugin ... and also mention -->
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-<!-- - Why does http://host/~user not work but http://host/~user/ -->
-<!-- works properly? -->
+<!-- - Why do directory indexes appear as garbage? (A: -lucb) -->
<!-- - How do I add a footer to all pages offered by my server? -->
<UL>
<LI><STRONG>Background</STRONG>
<LI><A HREF="#addlog">How do I add browsers and referrers to my
logs?</A>
</LI>
+ <LI><A HREF="#bind8.1">Why do I get an error about an undefined
+ reference to "__inet_ntoa" or other __inet_* symbols?</A>
+ </LI>
+ <LI><A HREF="#set-servername">Why does accessing directories only work
+ when I include the trailing "/" (eg. <CODE>http://foo.domain.com/~user/
+ </CODE>) but not when I omit it (eg. <CODE>http://foo.domain.com/~user
+ </CODE>)?</A>
+ </LI>
+ <LI><A HREF="#user-authentication">How do I setup Apache to require
+ a username and password to access certain documents?</A>
+ </LI>
+ <LI><A HREF="#remote-auth-only">How do I setup Apache to allow access
+ to certain documents only if a site is either a local site <EM>or
+ </EM> the user supplies a password and username?</A>
</OL>
</LI>
</UL>
<LI><A NAME="cantbuild">
<STRONG>Why won't Apache compile with my system's
<SAMP>cc</SAMP>?</STRONG>
- </A>
+ </A>
<P>
If the server won't compile on your system, it is probably due to one
of the following causes:
</LI>
<LI><A NAME="jdk1.x">
<STRONG>Why do Java applets and applications not work
- with documents on my Apache server?</A></STRONG>
+ with documents on my Apache server?</STRONG>
</A>
<P>
The Java Development Kit (JDK) libraries versions 1.0.2 and 1.1 do not
adding the following lines to their configuration files:
</P>
<DL>
- <DD>BrowserMatch Java1.0 force-response-1.0</CODE>
+ <DD><CODE>BrowserMatch Java1.0 force-response-1.0</CODE>
</DD>
</DL>
<HR>
- <!-- Don't forget to add HR tags at the end of each list item.. -->
</LI>
+ <LI><A NAME="bind8.1">
+ <STRONG>Why do I get an error about an undefined reference to
+ "__inet_ntoa" or other __inet_* symbols?</STRONG>
+ </A>
+ <P>
+ If you have installed <A HREF="http://www.isc.org/bind.html">BIND-8</A>
+ then this is normally due to a conflict between your include files
+ and your libraries. BIND-8 installs its include files and libraries
+ <CODE>/usr/local/include/</CODE> and <CODE>/usr/local/lib/</CODE>, while
+ the resolver that comes with your system is probably installed in
+ <CODE>/usr/include/</CODE> and <CODE>/usr/lib/</CODE>. If
+ your system uses the header files in <CODE>/usr/local/include/</CODE>
+ before those in <CODE>/usr/include/</CODE> but you do not use the new
+ resolver library, then the two versions will conflict.
+ </P>
+ <P>
+ To resolve this, you can either make sure you use the include files
+ and libraries that came with your system or make sure to use the
+ new include files and libraries. Adding <CODE>-lbind</CODE> to the
+ <CODE>EXTRA_LFLAGS</CODE> line in your <CODE>Configuration</CODE>
+ file, then re-running <CODE>Configure</CODE> should resolve the
+ problem.
+ </P>
+ <HR>
+ </LI>
+ <LI><A NAME="set-servername">
+ <STRONG>Why does accessing directories only work when I include
+ the trailing "/" (eg. <CODE>http://foo.domain.com/~user/</CODE>)
+ but not when I omit it
+ (eg. <CODE>http://foo.domain.com/~user</CODE>)?</STRONG>
+ </A>
+ <P>
+ When you access a directory without a trailing "/", Apache needs
+ to send what is called a redirect to the client to tell it to
+ add the trailing slash. If it did not do so, relative URLs would
+ not work properly. When it sends the redirect, it needs to know
+ the name of the server so that it can include it in the redirect.
+ There are two ways for Apache to find this out; either it can guess,
+ or you can tell it. If your DNS is configured correctly, it can
+ normally guess without any problems. If it is not, however, then
+ you need to tell it.
+ </P>
+ <P>
+ Add a <A HREF="../mod/core.html#servername"> ServerName</A> directive
+ to the config file to tell it what the domain name of the server is.
+ </P>
+ <HR>
+ </LI>
+ <LI><A NAME="user-authentication">
+ <STRONG>How do I setup Apache to require a username and
+ password to access certain documents?</STRONG>
+ </A>
+ <P>
+ There are several ways to do this; some of the more popular
+ ones are to use the <A HREF="../mod/mod_auth.html">mod_auth</A>,
+ <A HREF="../mod/mod_auth_db.html">mod_auth_db</A> or <A HREF=
+ "../mod/mod_auth_dbm.html">mod_auth_dbm</A> modules.
+ </P>
+ <P>
+ For an explaination on how to implement these restrictions, see
+ ApacheWeek's <A HREF="http://www.apacheweek.com/features/userauth">
+ Using User Authentication</A> or
+ <A HREF="http://www.apacheweek.com/features/dbmauth">
+ DBM User Authentication</A> tutorials.
+ </P>
+ <HR>
+ </LI>
+ <LI><A NAME="remote-auth-only">
+ <STRONG>How do I setup Apache to allow access to certain
+ documents only if a site is either a local site <EM>or</EM>
+ the user supplies a password and username?</STRONG>
+ </A>
+ <P>
+ Use the <A HREF="../mod/core.html#satisfy">Satsify</A> directive,
+ in particular the <CODE>Satsify Any</CODE> directive to require
+ that only one of the access restrictions be met. For example,
+ adding the following configuration to a <CODE>.htaccess</CODE>
+ or server configuration file would restrict access to people who
+ either are accessing the site from a host under domain.com or
+ who can supply a valid username and password:
+ </P>
+<PRE>
+ deny from all
+ allow from .domain.com
+ AuthType Basic
+ AuthUserFile /usr/local/etc/httpd/conf/htpasswd.users
+ AuthName special directory
+ require valid-user
+ satisfy any
+</PRE>
+ <P>See the <A HREF="#user-authentication">user authentication</A>
+ question and the <A HREF="../mod/mod_access.html">mod_access</A>
+ module for details on how the above directives work.
+ </P>
+ <HR>
+ </LI>
+
+ <!-- Don't forget to add HR tags at the end of each list item.. -->
+
</OL>
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