Last-Modified от PHP fastcgi не приходит клиенту

[error500]

Бьюсь головой апстол уже не превый день
(сначала грешил на пхп и сложную
структуру приложения - но вот написал
тупо скрипт который шлёт Last-Modified
заголовок )

Дебаг лог:

...

2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi record length: 495
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi parser: 0
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi header:
"X-Powered-By: PHP/5.3.2-1ubuntu4.2"
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi parser: 0
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi header:
"Set-Cookie: PHPSESSID=07471fd9175dae329c6242db5bb7ea56; path=/"
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi parser: 0
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi header: "Expires:
Mon, 02 Aug 2010 11:49:50 GMT"
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi parser: 0
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi header:
"Cache-Control: public, max-age=10800"
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi parser: 0
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi header:
"Last-Modified: Mon, 02 Aug 2010 07:56:56 GMT"
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi parser: 0
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi header:
"Content-type: text/html"
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi parser: 1
2010/08/02 12:49:50 [debug] 18330#0: *1 http fastcgi header done
2010/08/02 12:49:50 [debug] 18330#0: *1 charset: "" > "utf-8"
2010/08/02 12:49:50 [debug] 18330#0: *1 HTTP/1.1 200 OK
Server: nginx/0.8.42
Date: Mon, 02 Aug 2010 08:49:50 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
X-Powered-By: PHP/5.3.2-1ubuntu4.2
Set-Cookie: PHPSESSID=07471fd9175dae329c6242db5bb7ea56; path=/
Expires: Mon, 02 Aug 2010 11:49:50 GMT
Cache-Control: public, max-age=10800

2010/08/02 12:49:50 [debug] 18330#0: *1 write new buf t:1 f:0
0000000001317E50, pos 0000000001317E50, size: 348 file: 0, size: 0
2010/08/02 12:49:50 [debug] 18330#0: *1 http write filter: l:0 f:0
s:348
2010/08/02 12:49:50 [debug] 18330#0: *1 http cacheable: 0
2010/08/02 12:49:50 [debug] 18330#0: *1 http upstream process upstream
2010/08/02 12:49:50 [debug] 18330#0: *1 pipe read upstream: 1
2010/08/02 12:49:50 [debug] 18330#0: *1 pipe preread: 261
2010/08/02 12:49:50 [debug] 18330#0: *1 readv: 1:3576
2010/08/02 12:49:50 [debug] 18330#0: *1 pipe recv chain: 0
....

Конфиг:


server {
   listen              80;

   server_name         test;
   charset             utf-8;
   gzip                off;
   ssi                 on;

   error_log          nginx.error.log debug;
   access_log        nginx.access.log;
    
    
   rewrite ^/sitemap(.*)\.xml /sitemap.php last;
   rewrite /robots.txt /robots.php last;

   location    @phpfcgi {
	if_modified_since off;

	fastcgi_connect_timeout		75;
	fastcgi_read_timeout		360;
	fastcgi_send_timeout		360;
        fastcgi_pass			127.0.0.1:8080; #unix:/tmp/phpfcgi.sock;
        include			/etc/nginx/fastcgi_params;
	fastcgi_pass_header		Last-Modified;
        fastcgi_param			SCRIPT_FILENAME
/home/error500/www/release_3/var/www/index.php;

    	}

   location ~ \.(php|php/.*)$ {
	if_modified_since off;

	fastcgi_index			index.php;
	fastcgi_connect_timeout		75;
	fastcgi_read_timeout		240;
	fastcgi_send_timeout		240;
        fastcgi_pass			127.0.0.1:8080; #unix:/tmp/phpfcgi.sock;
	fastcgi_pass_header             Last-Modified;
        include         		/etc/nginx/fastcgi_params;
        fastcgi_param   		SCRIPT_FILENAME
/home/error500/www/release_3/var/www$fastcgi_script_name;
    	}

    location / {
        error_page      404 =200 @phpfcgi;
        root    	/home/error500/www/release_3/var/www;
        index   	index.shtml index.html index.htm index.php;
    	}
}

Что не так делаю?
Посылал заголовок с параметром false (
header('xxxxxxxx', false) ) тогда Last-Modified но не мой а
тот что инжинкс обнаружил у самого РНР
файла.

Posted at Nginx Forum: http://forum.nginx.org/read.php?21,115688,115688#msg-115688