coar 98/07/04 08:10:51
Modified: htdocs/manual upgrading_to_1_3.html
Log:
Add a note about the change to REMOTE_HOST (making it compliant
with the erstwhile CGI specification).
PR: 2546
Revision Changes Path
1.27 +12 -0 apache-1.3/htdocs/manual/upgrading_to_1_3.html
Index: upgrading_to_1_3.html
===================================================================
RCS file: /export/home/cvs/apache-1.3/htdocs/manual/upgrading_to_1_3.html,v
retrieving revision 1.26
retrieving revision 1.27
diff -u -r1.26 -r1.27
--- upgrading_to_1_3.html 1998/07/04 14:59:56 1.26
+++ upgrading_to_1_3.html 1998/07/04 15:10:50 1.27
@@ -131,6 +131,18 @@
<LI><CODE>HostnameLookups</CODE> defaults to Off.
+ <LI><STRONG><SAMP>REMOTE_HOST</SAMP> CGI variable changed.</STRONG>
+ In Apache 1.2 and earlier, the <SAMP>REMOTE_HOST</SAMP> environment
+ variable made available to CGI scripts was set to either the
+ full DNS name of the client, or else to the client's IP address
+ if the name was not known. This behaviour differed from that
+ specified by the CGI specification, which defines this variable as being
+ NULL if the name isn't known. In Apache 1.3, we have made this
correction.
+ <SAMP>REMOTE_ADDR</SAMP> always contains the client's IP address,
+ but <SAMP>REMOTE_HOST</SAMP> is only defined when the server has
+ been able to determine the client's DNS name.
+ </LI>
+
<LI>The undocumented
<A HREF="mod/mod_access.html"><CODE>mod_access</CODE></A>
syntax "allow user-agents" was removed. The replacement is the
