Q about ProxyRemoteAddr
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Subject: Q about ProxyRemoteAddr
Date: 20:05 on 06 Dec 2004
Subject: Q about ProxyRemoteAddr
Date: 20:05 on 06 Dec 2004
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Hi!
I am having difficulty setting cookies once we changed our production =
modperl system.
We changed from a single machine front-end/backend setup two a two =
machine setup
Both use apache 2.x for the front server on ports 80 and 443, and =
modperl 1.3.x server running on ports 8001,8000.
The problem is only occurring on the 2 machine setup with server 1 =
running apache 2.x using proxypass and modrewrite to proxy back to =
server 2.
The problem is: after the server is restarted, cookies are set just =
fine. But, after each of the new child processes have been used, cookies =
are no longer set. The Perl application continues to see the client's =
existing cookie, but new cookies are not set.
Here are some questions:
1)=20
If I am using Apache 2.x, do I still need to compile in =
mod_proxy_add_forward to the apache server? I was somehow under the =
impression that this exists under apache2.x.
2)
In the lines of the example preload.pl script it shows=20
unless ($r->connection->remote_ip eq "127.0.0.1") and =
$r->header_in('X-Forwarded-For');
I assume that this setup (127.0.0.1) is for when both versions of apache =
are run on the same machine?
If I have a 2 machine setup with server1_ip_addr and server2_ip_addr =
then I should have:
unless ($r->connection->remote_ip eq "server1_ip_addr") and =
$r->header_in('X-Forwarded-For');
Is this correct? The docs don't make this clear.
Sorry for so many questions. I have searched the mailing list and cannot =
find the answers to these questions.
Thanks,
Joe Junkin
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-1">
<META content=3D"MSHTML 6.00.2800.1476" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hi!</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>I am having difficulty setting cookies =
once we=20
changed our production modperl system.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>We changed from a single machine=20
front-end/backend setup two a two machine setup</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Both use apache 2.x for the front =
server on ports=20
80 and 443, and modperl 1.3.x server running on ports =
8001,8000.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>The problem is only occurring on the 2 =
machine=20
setup with server 1 running apache 2.x using proxypass and modrewrite to =
proxy=20
back to server 2.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>The problem is: after the server =
is restarted,=20
cookies are set just fine. But, after each of the new child processes =
have been=20
used, cookies are no longer set. The Perl application continues to see =
the=20
client's existing cookie, but new cookies are not set.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Here are some questions:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>1) </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>If I am using Apache 2.x, do I still =
need to=20
compile in <FONT size=3D3><FONT=20
face=3D"Courier New">mod_proxy_add_forward</FONT> </FONT> to =
the apache=20
server? I was somehow under the impression that this exists under=20
apache2.x.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>2)</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>In the lines of the example preload.pl =
script it=20
shows </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2> unless =
($r->connection->remote_ip eq=20
"127.0.0.1") and $r->header_in('X-Forwarded-For');</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I assume that this setup (127.0.0.1) is =
for when=20
both versions of apache are run on the same machine?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>If I have a 2 machine setup with =
server1_ip_addr=20
and server2_ip_addr then I should have:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2> unless =
($r->connection->remote_ip eq=20
"server1_ip_addr") and $r->header_in('X-Forwarded-For');</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Is this correct? The docs don't make =
this=20
clear.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Sorry for so many questions. I have =
searched the=20
mailing list and cannot find the answers to these =
questions.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Thanks,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial =
size=3D2>Joe Junkin</FONT></DIV></BODY></HTML>
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