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 After I have fixed the errors in thread Your text to link here...

I get a final(at least I hope :P) error. Problem is, it's not descriptive at all. In the the error log there are the following warnings and the error message:

2014/05/08 10:52:16 [warn] 29352#0: duplicate MIME type "text/html" in /var/www/glutenetnous.com/html/nginx.conf:186
2014/05/08 10:52:16 [warn] 29352#0: duplicate MIME type "text/xml" in /var/www/glutenetnous.com/html/nginx.conf:186
2014/05/08 10:52:16 [warn] 29352#0: duplicate MIME type "application/xml" in /var/www/glutenetnous.com/html/nginx.conf:186
2014/05/08 10:52:16 [warn] 29352#0: could not build optimal test_types_hash, you should increase either test_types_hash_max_size: 2048 or test_types_hash_bucket_size: 64; ignoring test_types_hash_bucket_size
2014/05/08 10:52:16 [emerg] 29352#0: unknown "fastcgi_pass" variable

I had to comment all those lines from the .conf file created by admin tools to make it pass without error

######################################################################
## Advanced server protection rules exceptions
######################################################################
location = /administrator\/components\/com_akeeba\/restore\.php {
	fastcgi_pass $fastcgi_pass;
	break;
}
location = /administrator\/components\/com_admintools\/restore\.php {
	fastcgi_pass $fastcgi_pass;
	break;
}
location = /administrator\/components\/com_joomlaupdate\/restore\.php {
	fastcgi_pass $fastcgi_pass;
	break;
}
location ~* ^/templates\/rt_fresco_responsive/.*$
{
	break;
}

I am also on ubuntu 12.04 and as far as I know it use fastcgi_pass since this line is in the server block for PHP config and cause no problem.

	location ~ \.php$ {
		fastcgi_pass unix:/var/run/php5-fpm.sock;
		fastcgi_index index.php;
		include fastcgi_params;
	
	}

I don't see fastcgi_pass being defined in nginx.conf that admin tools creates. But maybe it doesn't need to, dunno.

Ok, let's forget the Unknown "fastcgi_pass" variable error. I'll re-read the nginx doc and try to figure it out. But I'd like to mention that my vhost file works fine by itself and the website is fully fonctional and fastcgi_pass is declared in the vhost file. It's always when I try to include admin tools nginx.conf file that I get that error(that is, once I fix all the other errors the file creates itself, more on that below)

So, let's forget that error. The thing is, admin tools STILL creates an invalid nginx.conf file that nginx complains about in it's error log file. I listed them all in previous message, but got no answer yet on those problems. I'll relist them here so it's easier than re-reading everything:

Here is the file it creates, unmodified:

### ===========================================================================
### Security Enhanced & Highly Optimized NginX Configuration File for Joomla!
### automatically generated by Admin Tools 3.0.0 on 2014-05-09 00:21:08 GMT
### ===========================================================================
###
### Admin Tools is Free Software, distributed under the terms of the GNU
### General Public License version 3 or, at your option, any later version
### published by the Free Software Foundation.
###
### !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! IMPORTANT !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
### !!                                                                       !!
### !!  If you get an Internal Server Error 500 or a blank page when trying  !!
### !!  to access your site, remove this file and try tweaking its settings  !!
### !!  in the back-end of the Admin Tools component.                        !!
### !!                                                                       !!
### !!  Remember to include this file in your site's configuration file.     !!
### !!  Also remember to reload or restart NginX after making any change to  !!
### !!  this file.                                                           !!
### !!                                                                       !!
### !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
###

### Prevent access to this file
location = /nginx.conf {
	log_not_found off;
	access_log off;
	return 404;
	break;
}

location = /nginx.conf.admintools {
	log_not_found off;
	access_log off;
	return 404;
	break;
}
######################################################################
## Disable directory listings
######################################################################
location / {
	autoindex off;
}
######################################################################
## Protect against common file injection attacks
######################################################################
set $file_injection 0;
if ($query_string ~ "[a-zA-Z0-9_]=http://") {
	set $file_injection 1;
}
if ($query_string ~ "[a-zA-Z0-9_]=(\.\.//?)+") {
	set $file_injection 1;
}
if ($query_string ~ "[a-zA-Z0-9_]=/([a-z0-9_.]//?)+") {
	set $file_injection 1;
}
if ($file_injection = 1) {
	return 403;
	break;
}
######################################################################
## Disable PHP Easter Eggs
######################################################################
if ($query_string ~ "\=PHP[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}") {
	return 403;
	break;
}
######################################################################
## Block access to configuration.php-dist and htaccess.txt
######################################################################
location = /configuration.php-dist {
	log_not_found off;
	access_log off;
	return 404;
	break;
}

location = /htaccess.txt {
	log_not_found off;
	access_log off;
	return 404;
	break;
}

location = /web.config {
	log_not_found off;
	access_log off;
	return 404;
	break;
}

location = /configuration.php {
	log_not_found off;
	access_log off;
	return 404;
	break;
}

location = /CONTRIBUTING.md {
	log_not_found off;
	access_log off;
	return 404;
	break;
}

location = /joomla.xml {
	log_not_found off;
	access_log off;
	return 404;
	break;
}

location = /LICENSE.txt {
	log_not_found off;
	access_log off;
	return 404;
	break;
}

location = /phpunit.xml {
	log_not_found off;
	access_log off;
	return 404;
	break;
}

location = /README.txt {
	log_not_found off;
	access_log off;
	return 404;
	break;
}

location = /web.config.txt {
	log_not_found off;
	access_log off;
	return 404;
	break;
}
######################################################################
## Directory indices
## Forces index.php to be read before the index.htm(l) files
######################################################################
index index.php index.html index.htm;
######################################################################
## Set default expiration time
######################################################################
 # CSS and JavaScript : 1 week
location ~* \.(css|js)$ {
		access_log off; log_not_found off;
		expires 1w;
}

# Image files : 1 month
location ~* \.(bmp|gif|jpg|jpeg|jp2|png|svg|tif|tiff|ico|wbmp|wbxml|smil)$ {
		access_log off; log_not_found off;
		expires 1m;
}

# Document files : 1 month
location ~* \.(pdf|txt|xml)$ {
		access_log off; log_not_found off;
		expires 1m;
}

# Audio files : 1 month
location ~* \.(mid|midi|mp3|m4a|m4r|aif|aiff|ra|wav|voc|ogg)$ {
		access_log off; log_not_found off;
		expires 1m;
}

# Video files : 1 month
location ~* \.(swf|vrml|avi|mkv|mpg|mpeg|mp4|m4v|mov|asf)$ {
		access_log off; log_not_found off;
		expires 1m;
}######################################################################
## Redirect non-www to www
######################################################################
if ($host = 'glutenetnous.com' ) {
	rewrite ^/(.*)$ $scheme://www.glutenetnous.com/$1 permanent;
}
# -- Timeout handling, see http://wiki.nginx.org/HttpCoreModule
client_header_timeout 10;
client_body_timeout   10;
send_timeout          30;
keepalive_timeout     30s;
# -- Socket settings, see http://wiki.nginx.org/HttpCoreModule
connection_pool_size        8192;
client_header_buffer_size   4k;
large_client_header_buffers 8 8k;
request_pool_size           8k;
# -- Performance, see http://wiki.nginx.org/HttpCoreModule
sendfile on;
sendfile_max_chunk 1m;
postpone_output 0;
tcp_nopush on;
tcp_nodelay on;
# -- Security options, see http://wiki.nginx.org/HttpCoreModule
server_name_in_redirect off;
server_tokens off;
ignore_invalid_headers on;
# -- Maximum client body size set to 1 Gigabyte
client_max_body_size 1G;set $common_exploit 0;
if ($query_string ~ "proc/self/environ") {
	set $common_exploit 1;
}
if ($query_string ~ "mosConfig_[a-zA-Z_]{1,21}(=|\%3D)") {
	set $common_exploit 1;
}
if ($query_string ~ "base64_(en|de)code\(.*\)") {
	set $common_exploit 1;
}
if ($query_string ~ "(<|%3C).*script.*(>|%3E)") {
	set $common_exploit 1;
}
if ($query_string ~ "GLOBALS(=|\[|\[0-9A-Z]{0,2})") {
	set $common_exploit 1;
}
if ($query_string ~ "_REQUEST(=|\[|\[0-9A-Z]{0,2})") {
	set $common_exploit 1;
}
if ($common_exploit = 1) {
	return 403;
}
## Enable SEF URLs
location = / {
	try_files $uri $uri/ /index.php?$args;
}
location = /index.php {
	fastcgi_pass $fastcgi_pass;
	break;
}
######################################################################
## Advanced server protection rules exceptions
######################################################################location = /administrator\/components\/com_akeeba\/restore\.php {
	fastcgi_pass $fastcgi_pass;
	break;
}
location = /administrator\/components\/com_admintools\/restore\.php {
	fastcgi_pass $fastcgi_pass;
	break;
}
location = /administrator\/components\/com_joomlaupdate\/restore\.php {
	fastcgi_pass $fastcgi_pass;
	break;
}
location ~* ^/templates\/rt_fresco_responsive/.*$
{
	break;
}
######################################################################
## Advanced server protection
####################################################################### Allow media files in select back-end directories
location ~* ^/administrator/(components|modules|templates|images|plugins)/.*.(jpe|jpg|jpeg|jp2|jpe2|png|gif|bmp|css|js|swf|html|mpg|mp3|mpeg|mp4|avi|wav|ogg|ogv|xls|xlsx|doc|docx|ppt|pptx|zip|rar|pdf|xps|txt|7z|svg|odt|ods|odp|flv|mov|htm|ttf|woff|eot|JPG|JPEG|PNG|GIF|CSS|JS|TTF|WOFF|EOT)$ {
	break;
}

# Allow access to the back-end index.php file
location = /administrator {
	rewrite ^ /administrator/index.php last;
}
location = /administrator/ {
	rewrite ^ /administrator/index.php last;
}
location = /administrator/index.php {
	fastcgi_pass $fastcgi_pass;
	break;
}

# Disable access to everything else.
location ~* /administrator.*$ {
	# If it is a file, directory or symlink and I haven't deliberately
	# enabled access to it, forbid any access to it!
	if (-e $request_filename) {
		return 403;
	}
	# In any other case, just treat as a SEF URL
	try_files $uri $uri/ /administrator/index.php?$args;
}
# Allow media files in select front-end directories
location ~* ^/(components|modules|templates|images|plugins|media|libraries|media/jui/fonts)/.*.(jpe|jpg|jpeg|jp2|jpe2|png|gif|bmp|css|js|swf|html|mpg|mp3|mpeg|mp4|avi|wav|ogg|ogv|xls|xlsx|doc|docx|ppt|pptx|zip|rar|pdf|xps|txt|7z|svg|odt|ods|odp|flv|mov|ico|htm|ttf|woff|eot|JPG|JPEG|PNG|GIF|CSS|JS|TTF|WOFF|EOT)$ {
	break;
}

## Disallow front-end access for certain Joomla! system directories (unless access to their files is allowed above)
location ~* ^/includes/js/ {
	return 403;
}
location ~* ^/(cache|includes|language|logs|tmp)/ {
	return 403;
}

# Allow access to the front-end index.php file
location = / {
	rewrite ^ /index.php last;
}
location = / {
	rewrite ^ /index.php last;
}
location = /index.php {
	fastcgi_pass $fastcgi_pass;
	break;
}

# Disable access to everything else.
location ~* /.*$ {
	# If it is a file, directory or symlink and I haven't deliberately
	# enabled access to it, forbid any access to it!
	if (-e $request_filename) {
		return 403;
	}
	# In any other case, just treat as a SEF URL
	try_files $uri $uri/ /index.php?$args;
}
##### Advanced server protection -- END

1- Look at line 234. The line is

######################################################################location = /administrator\/components\/com_akeeba\/restore\.php {

First bug.
The line of code is on the #### line, thus it is ignored


2- Then take a look at lines 224 to 231

location = / {
	try_files $uri $uri/ /index.php?$args;
}
location = /index.php {
	fastcgi_pass $fastcgi_pass;
	break;
}

then take a look at lines 293-302

location = / {
	rewrite ^ /index.php last;
}
location = / {
	rewrite ^ /index.php last;
}
location = /index.php {
	fastcgi_pass $fastcgi_pass;
	break;
}

Bug 2 and 3
Notice the following things:
location = / is defined THREE times total in those 2 blocks.
location = /index.php is defined twice.


That's why I'm pretty sure the fastcgi_pass error is also a bug in the file created, because as it stnds, it doesn't create a valid config file

I hope everything is clear. English is not my first language.

m

Unknown "fastcgi_pass" variable problem solved. I added

set $fastcgi_pass "unix:/var/run/php5-fpm.sock";

Only the 3 problems described in the previous post left.

Download the dev version, created the nginx.conf file using it.

Bug 1: Fixed. The line is written correctly
Bug 2 & 3 : no more error message in the error log but, the frontend and backend display a blank page. I don't have the time to debug further right now but I'll report back if I find the reason why.

I installed the new dev version and the first error I got with the new nginx.conf is a 502 bad gateway. I took a look at the file and found that insteat of seeing the usual:
fastcgi_pass $fastcgi_pass;

there now was
fastcgi_pass 127.0.0.1:9000;

so I did a "search and replace" to set it at "fastcgi_pass $fastcgi_pass;" since I am using unix sockets instead of TCP and $fastcgi_pass is now correctly defined in my vhost file.

Yesterday(couldn't post my finding either last night, ticket system already close, your weekend start before mine :P) I also noticed SEF didn't work so I modified the .conf file to make it work, and I now see that you are doing the same thing in the new version and combining it with the directory listing.

## Enable SEF URLs
location / {
try_files $uri $uri/ /index.php?$args;
## Disable directory listings
autoindex off;
}

BUT, I also found out that next block of code is the one that is causing the blank page.

location ~* /index.php$ {
fastcgi_pass $fastcgi_pass;
break;
}


This particular block gets written if you select SEF->Yes and/or if you select Frontend Protection->Yes.

In the case of SEF, I am not sure what it is supposed to do since SEF works fine without it.
For the frontend protection, it became obvious what it does when I removed it. I got a 403, so it's there to allow access to index.php.
Problem is, it also cause a blank page somehow.

Turning on error reporting to maximum in Joomla showed nothing, still a blank page. All the system logs and nginx error log report nothing either.

For the rest of the file that admin tools creates, there is a small typo in the browser expiration time section. the expires value for many items is set to 1m(1 minute) instead of 1M(one month)

# Audio files : 1 month
location ~* \.(mid|midi|mp3|m4a|m4r|aif|aiff|ra|wav|voc|ogg)$ {
access_log off; log_not_found off;
expires 1m;

That about sum it up.

That's the wrong way to do it. Go to the NginX Configuration Maker, scroll all the way to the bottom and set the "fastcgi_pass parameter" to $fastcgi_pass

Ah, never noticed that field(it's new?) I put $fastcgi_pass there and it worked fine for the creation of the .conf file :)

The only problem left for me is the block:

location ~* /index.php$ {
fastcgi_pass $fastcgi_pass;
break;
} 

that, when present, shows blank page both on the frontend and backend. But since you can't reproduce it, it might be some config on my server. I already reviewed nginx config and saw nothing that could cause that, so the next step is to comb through the php.ini file. Before doing that, I'll test using it on wnmp since it works for you on mnnp(why do all php programmer have a mac? :P) I won't have time this week though, it's time to prepare the garden! But I'll tackle that next week.

You can close this ticket if you want. If I ever find the answer I'll gladly send back the information.

Thanks!