0N/A<!
DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
0N/A<
TITLE>Special Purpose Environment Variables</
TITLE>
0N/A<!-- Background white, links blue (unvisited), navy (visited), red (active) --> 0N/A<
h1 ALIGN="CENTER">Special Purpose Environment Variables</
h1>
0N/A<
P>Interoperability problems have led to the introduction of
0N/Amechanisms to modify the way Apache behaves when talking to particular
0N/Aclients. To make these mechanisms as flexible as possible, they
0N/Aare invoked by defining environment variables, typically with
0N/AThis disables <
A HREF="mod/core.html#keepalive">KeepAlive</
A> when set. Because
0N/Aof problems with Netscape
2.x and KeepAlive, we recommend the following
0N/ABrowserMatch Mozilla/2 nokeepalive
<
H2>force-response-1.0</
H2>
This forces an
HTTP/
1.0 response when set. It was originally implemented as a
result of a problem with AOL's proxies. Some clients may not behave correctly
when given an
HTTP/
1.1 response, and this can be used to interoperate with
<
p>This forces the request to be treated as a
HTTP/
1.0 request even if it