unable activate php-fpm /status|ping -page with nginx on debian6 + PLESK 12

[ster]

hi folks.

i am not able to get the php-fpm "/status|ping" -page to work.

a few specs:
OS Debian 6.0.10
Plesk version 12.0.18 Update #35, last updated at Feb 13, 2015 08:37 PM
PHP version is 5.4.37 (got it from dotdeb)

intstalled NGINX and PHP-FPM via upgrade feature thingy on PLESK 12

REMARK: example.com = my-real-hidden-domain-name.com

*** configs / files / and so on ***

*** section WEB SERVER SETTINGS
activated nginx settings
checkmark: Smart static files processing
NO checkmark: Serve static files directly by nginx
checkmark: Process PHP by nginx

*** Additional nginx directives
location ~ ^/(status|ping)$ {
allow all;
fastcgi_pass unix:/var/www/vhosts/system/example.com/php-fpm.sock;
#include /etc/nginx/fastcgi.conf;
include /etc/nginx/fastcgi_params; # REMARK: not touched
}
location = /nginx_status {
stub_status on;
}

*** section PHP SETTINGS
cgi.fix_pathinfo=0

under directory /var/www/vhosts/system/example.com/conf
added a custom php.ini file

*** php.ini contends: ***
[example.com]
; Don't override following options, they are relied upon by Plesk internally

; Following options can be overridden
chdir = /

request_slowlog_timeout = 5s
slowlog = /var/www/vhosts/example.com/logs/example.com/slowlog-example.com.log
; By default use ondemand spawning (this requires php-fpm >= 5.3.9)
pm = dynamic
pm.max_children = 20
pm.process_idle_timeout = 10s
; Following pm.* options are used only when 'pm = dynamic'
pm.start_servers = 3
pm.min_spare_servers = 2
pm.max_spare_servers = 4
pm.max_requests = 500
request_terminate_timeout = 120s
rlimit_files = 131072
rlimit_core = unlimited
env[HOSTNAME] = $HOSTNAME
env[PATH] = /usr/local/bin:/usr/bin:/bin
env[TMP] = /tmp
env[TMPDIR] = /tmp
env[TEMP] = /tmp
catch_workers_output = yes
pm.status_path = /status
ping.path = /ping
ping.response = bong
security.limit_extensions = .php .html
*** php.ini contends end ***

*** configs and files end ***
so far the website is working fine with this setup, all php goes through nginx/php-fpm

*** now the problem to fix ***
if i try to view http://example.com/status

all i get is
a blank page in browsers

*** $ tail -f /var/log/php5-fpm.log -n 600 -s 10 ***
16-Feb-2015 21:31:52] WARNING: [pool example.com] child 21532 said into stderr: "NOTICE: Access to the script '/status' has been denied (see security.limit_extensions)"

*** /var/www/vhosts/example.com/logs/example.com/proxy_access_log ***
xxx.xxx.xxx.xxx - - [17/Feb/2015:16:59:11 +0100] "GET /status HTTP/1.1" 200 31 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:37.0) Gecko/20100101 Firefox/37.0"

*** script test-php-fpm.sh:
SCRIPT_NAME=/status \
SCRIPT_FILENAME=/status \
QUERY_STRING= \
REQUEST_METHOD=GET \
cgi-fcgi -bind -connect /var/www/vhosts/system/example.com/php-fpm.sock
script end ***
*** $ ./test-php-fpm.sh *** outputs via SSH: ***
Access to the script '/status' has been denied (see security.limit_extensions)
Status: 403 Forbidden
Content-type: text/html

Access denied.
*** output end (blank line is there "output?"***

*** $ curl http://example.com/status ***
just outputs NOTHING

*** ls -l /var/www/vhosts/system/example.com/php-fpm.sock ***
srw-rw---- 1 root psaserv 0 Feb 15 19:58 /var/www/vhosts/system/example.com/php-fpm.sock

*** END configs / files / and so on ***

according to several tutorioals it should work, but does not.

i tried searching for different solutions on the internet about:
PHP-FPM NGINX and "BLANK PAGES" OR "ACCESS DENIED" errors,
but nothing help.

by this guide (REMARK: i DID NOT COPY THE FILES mentioned there, because i wanna a just use plesk)
http://timreeves.de/internet-techno...hp-fpm-unter-ubuntu-12-04-lts-und-plesk-11-5/
i also did
$ usermod -aG psacln nginx

can somone please give me an advice.
what am i missing? done wrong?

REMARK: the nginx_status page works.

mfg/wkr

 

[ster]

one week and no answer(s). (imagine an unhappy smilie here please)
can perhaps some try this or this a bug?