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From Alexei Kosut <ako...@hyperreal.org>
Subject cvs commit: apache/htdocs/manual/mod mod_isapi.html index.html
Date Tue, 22 Jul 1997 20:47:44 GMT
akosut      97/07/22 13:47:42

  Modified:    htdocs/manual  windows.html
               htdocs/manual/mod  index.html
  Added:       htdocs/manual/mod  mod_isapi.html
  Log:
  Add docs for mod_isapi
  
  Revision  Changes    Path
  1.3       +5 -1      apache/htdocs/manual/windows.html
  
  Index: windows.html
  ===================================================================
  RCS file: /export/home/cvs/apache/htdocs/manual/windows.html,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -c -u -r1.2 -r1.3
  /usr/bin/diff: conflicting specifications of output style
  --- windows.html	1997/07/21 23:05:26	1.2
  +++ windows.html	1997/07/22 20:47:38	1.3
  @@ -153,7 +153,7 @@
   
   <p>Configuring Apache is nearly identical to the Unix version of Apache,
      so most of the standard <a href="./">Apache documentation</a> is
  -   applicable. A few things are, however, different:</p>
  +   applicable. A few things are, however, different, or new:</p>
   
   <ul>
     <li><p>Because Apache for Windows is multithreaded, it does not use a
  @@ -197,6 +197,10 @@
   </pre>
         <p>Information on <a href="mod/mod_dll.html#creating">creating module
            DLLs</a> is also available.</p>
  +  <li><p>Apache can also load ISAPI Extensions (i.e., Internet Server
  +         Applications), such as those used by Microsoft's IIS, and other
  +         Windows servers. <a href="mod/mod_isapi.html">More information
  +         is available.</a>
   </ul>
   
   <p>Once Apache is configured correctly, it is nearly ready to be
  
  
  
  1.18      +2 -0      apache/htdocs/manual/mod/index.html
  
  Index: index.html
  ===================================================================
  RCS file: /export/home/cvs/apache/htdocs/manual/mod/index.html,v
  retrieving revision 1.17
  retrieving revision 1.18
  diff -c -u -r1.17 -r1.18
  /usr/bin/diff: conflicting specifications of output style
  --- index.html	1997/07/21 21:26:56	1.17
  +++ index.html	1997/07/22 20:47:40	1.18
  @@ -77,6 +77,8 @@
   <dd>Server-parsed documents.
   <dt><A HREF="mod_info.html">mod_info</a>
   <dd>Server configuration information
  +<dt><A HREF="mod_isapi.html">mod_isapi</a>
  +<dd>Windows ISAPI Extension support
   <dt><A HREF="mod_log_agent.html">mod_log_agent</A>
   <dd>Logging of User Agents.
   <dt><A HREF="mod_log_common.html">mod_log_common</A> up to Apache 1.1.1
  
  
  
  1.1                  apache/htdocs/manual/mod/mod_isapi.html
  
  Index: mod_isapi.html
  ===================================================================
  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
  <HTML>
  <HEAD>
  <TITLE>Apache module mod_isapi</TITLE>
  </HEAD>
  
  <!-- Background white, links blue (unvisited), navy (visited), red (active) -->
  <BODY
   BGCOLOR="#FFFFFF"
   TEXT="#000000"
   LINK="#0000FF"
   VLINK="#000080"
   ALINK="#FF0000"
  >
  <!--#include virtual="header.html" -->
  
  <H1 ALIGN="CENTER">Module mod_isapi</h1>
  
  <p>This module is contained in the <code>mod_isapi.c</code> file, and
is
     compiled in by default. It provides support for ISAPI Extensions when
     running under Microsoft Windows. Any document with a handler of
     <code>isapi-isa</code> will be processed by this module.
  
  <h2>Purpose</h2>
  
  <p>This module implements the <a
     href="http://www.microsoft.com/win32dev/apiext/isapimrg.htm">ISAPI
     Extension</a> API. It allows Internet Server Applications (i.e., ISAPI
     Extensions) to be used with Apache for Windows.
  
  <h2>Usage</h2>
  
  <p>In the server configuration file, add a handler called
     <code>isapi-isa</code>, and map it to files with a <code>.DLL</code>
     extension. In other words:</p>
  <pre>
      AddHandler isapi-isa dll
  </pre>
  <p>Now simply place the ISA DLLs into your document root, and they will
     be loaded when their URLs are accessed.</p>
  
  <p>ISAPI Extensions are governed by the same restrictions as CGI
     scripts. That is, <code>Options ExecCGI</code> must be active in the
     directory that contains the ISA.</p>
  
  <h2>Notes</h2>
  
  <p>Apache's ISAPI implementation conforms to all of the ISAPI 2.0
     specification, except for the "Microsoft-specific" extensions dealing
     with ascynchronous I/O. Apache's I/O model does not allow asynchronous
     reading and writing in a manner that the ISAPI could access. If an ISA
     tries to access async I/O, a message will be place in the error log,
     to help with debugging.
  
  <p>Some servers, like Microsoft IIS, load the ISA into the server, and
     keep it loaded until memory usage is too high, and it is
     unloaded. Apache currently loads and unloads the ISA for each
     request. This is inefficient, but Apache's request model makes this
     method the only method that currently works. A future release may use
     a more effective loading method.
  
  <p>Apache 1.3a1 currently limits POST and PUT input to 48k per
     request. This is to work around a problem with the ISAPI implementation
     that could result in a denial of service attack. It is expected that
     support for larger uploads will be added soon.
  
  <p>Also, remember that while Apache supports ISAPI Extensions, it does
     not support ISAPI Filters. Support for filters may be added at a later
     date, but no support is planned at this time.</p>
  
  <!--#include virtual="footer.html" -->
  </BODY>
  </HTML>
  
  
  

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