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Date: Thu, 18 Sep 1997 13:51:42 +0200 (CEST)
Organization: German Unix-AG Association
From: Lars Eilebrecht <Lars.Eilebrecht@unix-ag.org>
To: (Apache Group) <new-httpd@apache.org>
Subject: [DOC] FAQ patch about year 2000 
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Hi,

the attached patch adds some lines about year 2000 compliance to
the FAQ (and it includes an addition to an other FAQ, I posted
it several times before, but it was always ignored).

Please commit (if there are no typos/bugs in it).


ciao...
--
Lars Eilebrecht                       - Programmers do it all night long.
sfx@unix-ag.org
http://www.si.unix-ag.org/~sfx/

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Index: apachen/htdocs/manual/misc/FAQ.html
===================================================================
RCS file: /cvs/apachen/htdocs/manual/misc/FAQ.html,v
retrieving revision 1.86
diff -u -r1.86 FAQ.html
--- FAQ.html	1997/08/02 21:57:40	1.86
+++ FAQ.html	1997/09/18 11:49:31
@@ -252,6 +252,8 @@
    <LI><A HREF="#cgi-spec">Where can I find the &quot;CGI
     specification&quot;?</A>
    </LI>
+   <LI><A HREF="#year2000">Is Apache year 2000 compliant?</A>
+   </LI>
   </OL>
  </LI>
 </UL>
@@ -1351,10 +1353,11 @@
   </P>
   <P>
   The canonical location for Apache's core-dump files is the
-  <A
-   HREF="../mod/core.html#serverroot"
-  >ServerRoot</A>
-  directory.
+  <A HREF="../mod/core.html#serverroot">ServerRoot</A>
+  directory. Since Apache version 1.3 the location can be set via
+  <A HREF="../mod/core.html#coredumpdirectory">CoreDumpDirectory</A>
+  to a different directory. Make sure that this directory is
+  writable by the user the server runs as.
   </P>
   <HR>
  </LI>
@@ -2046,6 +2049,34 @@
         ><SAMP>http://www.ast.cam.ac.uk/~drtr/cgi-spec.html</SAMP></A>&gt;.
    </LI>
   </OL>
+  </P>
+  <HR>
+ </LI>
+ <LI><A NAME="year2000">
+          <STRONG>Is Apache year 2000 compliant?</STRONG>
+     </A>
+  <P>
+  Yes, Apache is year 2000 compliant.
+  </P>
+  <P>Apache internally never stores years as two digits.
+     On the HTTP protocol level RFC1123-style addresses are generated
+     which is the only format a HTTP/1.1-compliant server should
+     generate. To be compatible with older applications Apache
+     recognizes ANSI C's <code>asctime()</code> and
+     RFC850-/RFC1036-style date formats, too.
+     The <code>asctime()</code> format uses four-digit years,
+     but the RFC850 and RFC1036 date format only defines a two-digit year.
+     If Apache sees such a date with a value less than 70 it assumes that
+     the century is <code>20</code> rather than <code>19</code>.
+  </P>
+  <P>Although Apache is year 2000 compliant you may still get problems
+     if the underlying OS has problems with dates past year 2000
+     (eg. OS calls which accept or return year numbers).
+     Most (Unix) systems store dates internally as signed 32bit integers
+     which contain the number of seconds since 1st january 1970, so
+     the magic boundary to worry about is the year 2038 and not 2000.
+     But modern operating systems shouldn't cause any trouble
+     at all.
   </P>
   <HR>
  </LI>

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