RE: php(5)-cgi + Apache2 + fastcgiexternalserver = lost hair

[Keith Roberts <keith@xxxxxxxxxxxx>]

AFAIR I have never heard of hosting apache and php on 
seperate machines. I don't even know if you can connect to 
php remotely, say like MySQL on a specified port?

Kind Regards

Keith Roberts

On Tue, 24 Jul 2007, Paul Blondé wrote:

> To: php-install@xxxxxxxxxxxxx
> From: Paul Blondé <jpb@xxxxxxxx>
> Subject: RE:  php(5)-cgi + Apache2 + fastcgiexternalserver = lost
>      hair
>
> wait...are you saying that you are hosting your PHP on one machine, and your
> Apache on another?
>
> Does Apache+PHP support remoting like that?
>
>
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Paul Blondé
>
>
> -----Original Message-----
> From: Tony Shadwick [mailto:tshadwick+php.net@xxxxxxxxxxxxxxxxx]
> Sent: Tuesday, July 24, 2007 11:02 AM
> To: php-install@xxxxxxxxxxxxx
> Subject:  php(5)-cgi + Apache2 + fastcgiexternalserver = lost
> hair
>
>
> Okie.  I've been googling for days on this now, and I've come across
> several PHP bug reports that basically say this is a configuration
> error, and not a php bug.  If that's true, I seriously need help.
>
> On my web server box, I'm running Apache2.1, and in my httpd.conf file I
> have this:
>
> FastCGIExternalServer  /path/to/stub/fcgi-bin/php -host php-host:9000
>
> Then in my Includes/site.conf (individual sites each have their own
> config file), I have this:
>
> AddHandler php-cgi .php
> Action php-cgi /fcgi-bin/php
> ScriptAlias /fcgi-bin/php ScriptAlias /fcgi-bin/php
> /path/to/stub/fcgi-bin/php
>
> Then I have a directive that adds +ExecCGI to the user's directory.  So
> far so good.  Restart apache.
>
> On the php-host box, I've compiled:
>
> php5-5.2.3          PHP Scripting Language (Apache Module and CLI)
>
> I start it using php-cgi -b 9000.  The port accepts connections just
> fine.  When I go to browse to a simple script on my web host that has:
>
> <?
>
> phpinfo();
>
> ?>
>
> I get "No input file specified." on screen, and in the logs I get what
> oddly appears to be a 404 message:
>
> 172.16.12.2 - - [23/Jul/2007:22:27:12 -0500] "GET /phpinfo.php HTTP/1.1"
> 404 25 "-" "Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en)
> AppleWebKit/419.2.1 (KHTML, like Gecko) Safari/419.3"
>
> Except it's really not a 404.  If I get rid of the php handler, it
> returns the text of the script just fine.
>
> I've googled this mess forwards and backwards, and what I come across is
> that there appears to be some sort of a tiff between PHP and web
> servers, where web servers usually pass along the environment variable
> SCRIPT_NAME, whereas PHP wants SCRIPT_FILENAME in order to determine
> that it is running in cgi mode (I think?).  I've done everything I can
> think of to facilitate that.  I've adjusted the relavent setting in
> php.ini on the php host
>
> cgi.fix_pathinfo=1
>
> Restart the php-cgi binary, does no good.  I've tried making mod-rewrite
> changes on apache2 to force SCRIPT_FILENAME to be assigned, that doesn't
> work.  I've tried manually assigning a SCRIPT_FILENAME environment
> variable on the shell that I'm executing php-cgi from.  That too fails.
>
> Out of desperation, I finally ran tcpdump -w ~/phpdump.txt -i em0 port
> 9000 on the php-cgi host.  I won't bore you with everything that
> wireshark says about it, rather, the most relevant part gets revealed by
> strings I think:
>
> # strings ~/phpdump.txt
> REDI
> SCRIPT_NAME/fcgi-bin/
> Status: 404
> X-Powered
>
>
> A few things stand out to me here:  number one, SCRIPT_NAME appears to
> be getting sent, 2 it looks like php-cgi is the one returning 404, not
> the web server, and finally....this is getting a bit truncated, isn't
> it?  I'd fully expect to find the full X-Powered header there, and if
> it's going to say /fcgi-bin/, I'd expect to find /fcgi-bin/php.  and
> REDI....?
>
> Anyone have an idea what I can do to fix this up?  The file DOES exist.
>  It'd currently chmod 777 to make sure it's not a permissions thing
> (it's just phpinfo at this point anyway....).  The traffic *is* being
> sent to port 9000 on the php-cgi host.  What else can I do?
>
> Tony Shadwick
> OSS Solutions

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