Title: thinstallsoft's Replies | WordPress.org --- # thinstallsoft [ ](https://wordpress.org/support/users/thinstallsoft/) * [Profile](https://wordpress.org/support/users/thinstallsoft/) * [Topics Started](https://wordpress.org/support/users/thinstallsoft/topics/) * [Replies Created](https://wordpress.org/support/users/thinstallsoft/replies/) * [Reviews Written](https://wordpress.org/support/users/thinstallsoft/reviews/) * [Topics Replied To](https://wordpress.org/support/users/thinstallsoft/replied-to/) * [Engagements](https://wordpress.org/support/users/thinstallsoft/engagements/) * [Favorites](https://wordpress.org/support/users/thinstallsoft/favorites/) Search replies: ## Forum Replies Created Viewing 15 replies - 1 through 15 (of 15 total) * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Redis Page Cache] X-Pj-Cache-Status: miss](https://wordpress.org/support/topic/x-pj-cache-status-miss/) * [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [9 years, 10 months ago](https://wordpress.org/support/topic/x-pj-cache-status-miss/#post-7198480) * I check the source code of it and find session related functions in wp-limit- login-attempts.php: * function wp_limit_login_init(){ * function is_session_started(){ if ( php_sapi_name() !== ‘cli’ ) { if ( version_compare( phpversion(), ‘5.4.0’, ‘>=’) ) { return session_status() === PHP_SESSION_ACTIVE? TRUE : FALSE; } else { return session_id() === ” ? FALSE : TRUE; } } return FALSE;} * if (is_session_started() === FALSE ) session_start(); * add_action(‘login_head’, ‘wp_limit_login_head’); add_action(‘wp_login_failed’,‘ wp_limit_login_failed’); add_action(‘login_errors’,’wp_limit_login_errors’); add_filter( ‘authenticate’, ‘wp_limit_login_auth_signon’, 30, 3 ); add_action(‘ admin_init’, ‘wp_limit_login_admin_init’ ); * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Redis Page Cache] X-Pj-Cache-Status: miss](https://wordpress.org/support/topic/x-pj-cache-status-miss/) * [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [9 years, 10 months ago](https://wordpress.org/support/topic/x-pj-cache-status-miss/#post-7198478) * Hi, Gennady Kovshenin * with WP Limit Login Attempts enabled, whenever vista a page, I could always see the unexpected header: * X-Pj-Cache-Status: miss and the X-Pj-Cache-Key * I guess the Set-Cookie section obstruct the Redis Page Cache. This cookie may generated by WP Limit Login Attempts. When removed, I could not see this cookie any more. * < Server: nginx < Date: Wed, 24 Aug 2016 14:11:18 GMT < Content-Type: text/html; charset=UTF-8 < Transfer-Encoding: chunked < Connection: keep-alive < Vary: Accept- Encoding < X-Pj-Cache-Status: miss < X-Pj-Cache-Key: 5950a8bd06ebc09b5e754639d00c1054 < Set-Cookie: PHPSESSID=2lmih9j1s724uno3fp4p649f37; path=/ < Expires: Thu, 19 Nov 1981 08:52:00 GMT < Cache-Control: no-store, no-cache, must-revalidate < Pragma: no-cache < Strict-Transport-Security: max-age=15768000; includeSubDomains; preload < X-Frame-Options: DENY < X-Content-Type-Options: nosniff < X-XSS-Protection: 1; mode=block * Another test: * < HTTP/1.1 200 OK * Server nginx is not blacklisted < Server: nginx < Date: Wed, 24 Aug 2016 14:08:27 GMT < Content-Type: text/html; charset=UTF-8 < Transfer- Encoding: chunked < Connection: keep-alive < Vary: Accept-Encoding < X-Pj-Cache- Status: miss < X-Pj-Cache-Key: 5950a8bd06ebc09b5e754639d00c1054 < Set-Cookie: PHPSESSID=6397vt4g9ct31k32h645p52m43; path=/ < Expires: Thu, 19 Nov 1981 08:52: 00 GMT < Cache-Control: no-store, no-cache, must-revalidate < Pragma: no-cache < Strict-Transport-Security: max-age=15768000; includeSubDomains; preload < X- Frame-Options: DENY < X-Content-Type-Options: nosniff < X-XSS-Protection: 1; mode=block * Once the plugin was removed: * < Server: nginx < Date: Wed, 24 Aug 2016 14:14:33 GMT < Content-Type: text/html; charset=UTF-8 < Transfer-Encoding: chunked < Connection: keep-alive < Vary: Accept- Encoding < X-Pj-Cache-Key: 5950a8bd06ebc09b5e754639d00c1054 < X-Pj-Cache-Time: 1472048065 < X-Pj-Cache-Flags: url:268246bb6ef4c6089710152720b971ae < X-Pj-Cache- Status: hit < X-Pj-Cache-Expires: 21592 < Strict-Transport-Security: max-age= 15768000; includeSubDomains; preload < X-Frame-Options: DENY < X-Content-Type- Options: nosniff < X-XSS-Protection: 1; mode=block * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Redis Page Cache] X-Pj-Cache-Status: miss](https://wordpress.org/support/topic/x-pj-cache-status-miss/) * [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [9 years, 10 months ago](https://wordpress.org/support/topic/x-pj-cache-status-miss/#post-7198476) * I also find WP Limit Login Attempts is not compatible with Redis Page Cache. After delete the WP Limit Login Attempts plugin, the cache work like a charm. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP-FFPC] 'Access denied' Error on /wp-admin/ and Blank Page on other pages](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 7 months ago](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/page/2/#post-6700783) * petermolnar, thanks for your patient reply for all my questions. I just check the memcached log and it works like a charm. Wish you happy every day. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP-FFPC] 'Access denied' Error on /wp-admin/ and Blank Page on other pages](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 7 months ago](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/page/2/#post-6700780) * I change the * > set $memcached_request 0; * to * > set $memcached_request 1; * And I could see the test_header: 222222. * So, is it confirmed that fetching cache from Memcached by Nginx is working now? * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP-FFPC] 'Access denied' Error on /wp-admin/ and Blank Page on other pages](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 7 months ago](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/page/2/#post-6700779) * Thanks for your detail explanation about the object cache. I know it now. * And for the add_header, I add three test header into my conf: * > add_header test_header “111111”; > add_header test_header “222222”; add_header > test_header “333333”; * in differention locations. * I think the ‘test_header: 222222’ would show that the cache is served by Nginx from the Memcached. Is it right? * However, I could only see the test_header: 333333 value, I refresh the page for many times and in many environment. Is there anything wrong? * my conf: * > server { > listen 80; server_name _; index index.php; root /home/wwwroot/; > access_log /var/log/aaa.access.log; > error_log /var/log/aaa.error.log; > set $memcached_raw_key $scheme://$host$request_uri; > set $memcached_key data- > $memcached_raw_key; set $memcached_request 0; > if ($request_method = POST) { > set $memcached_request 0; } > if ($uri ~ “/wp-“) { > set $memcached_request 0; } > if ($args) { > set $memcached_request 0; } > if ($http_cookie ~* “comment_author_|wordpressuser_|wp-postpass_|wordpress_logged_in_”){ > > set $memcached_request 0; } > location [@fallback](https://wordpress.org/support/users/fallback/) { > add_header > test_header “111111”; fastcgi_split_path_info ^(?.+?\.php)(? >.*)$; fastcgi_param SCRIPT_FILENAME $document_root$script_name; fastcgi_param > PATH_TRANSLATED $document_root$path_info; include fastcgi; fastcgi_keep_conn > on; fastcgi_pass php-fpm; } > location ~ ^(?.+?\.php)(?.*)$ { > default_type text/ > html; if ($memcached_request = 1) { add_header test_header “222222”; memcached_pass > memcached; error_page 404 = [@fallback](https://wordpress.org/support/users/fallback/);} > fastcgi_split_path_info ^(?.+?\.php)(?.*)$; fastcgi_param > SCRIPT_FILENAME $document_root$script_name; fastcgi_param PATH_TRANSLATED $ > document_root$path_info; include fastcgi; fastcgi_keep_conn on; fastcgi_pass > php-fpm; add_header test_header “333333”; } > location / { > try_files $uri $uri/ @rewrites; } location @rewrites { rewrite > ^ /index.php last; } } * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP-FFPC] 'Access denied' Error on /wp-admin/ and Blank Page on other pages](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 7 months ago](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/#post-6700777) * Is it beneficial or necessary to apply an object-cache.php for WordPress with WP-FFPC installed? Such as: * Memcached Object Cache [https://wordpress.org/plugins/memcached/](https://wordpress.org/plugins/memcached/) * MemcacheD Is Your Friend [https://wordpress.org/plugins/memcached-is-your-friend/](https://wordpress.org/plugins/memcached-is-your-friend/) * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP-FFPC] 'Access denied' Error on /wp-admin/ and Blank Page on other pages](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 7 months ago](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/#post-6700776) * @petermolnar, thanks very much. I follow your conf carefully and finally make my nginx works. * An extra question is: How to check whether the cache is loaded by Nginx from the Memcached server? * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP-FFPC] 'Access denied' Error on /wp-admin/ and Blank Page on other pages](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 7 months ago](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/#post-6700767) * Could you send me a copy of your nginx.conf file to me? * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP-FFPC] 'Access denied' Error on /wp-admin/ and Blank Page on other pages](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 7 months ago](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/#post-6700758) * location ~ ^(?.+?\.php)(?.*)$ * is translated to: * > location ~ ^(?.+?\.php)(?.*)$ { * > and fastcgi_split_path_info ^(?.+?\.php)(?.*)$; is > translated to: > > fastcgi_split_path_info ^(?.+?\.php)(?.*)$; * etc. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP-FFPC] 'Access denied' Error on /wp-admin/ and Blank Page on other pages](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 7 months ago](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/#post-6700757) * I download the raw conf and upload it to the plugin directory to replace the old one. * Then I find the new generated nginx conf in the plugin setting page and apply it to Nginx, restart nginx and get the error: * > nginx: [emerg] pcre_compile() failed: unrecognized character after (? or (?- > in “^(?.+?\.php)(?.*)$” at “.+?\.php)(?.*)$” * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP-FFPC] 'Access denied' Error on /wp-admin/ and Blank Page on other pages](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 7 months ago](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/#post-6700749) * petermolnar, thanks for your work. I’ll try again and get many errors. * > nginx: [emerg] pcre_compile() failed: unrecognized character after (? or (?- > in “^(?.+?\.php)(?.*)$” at “.+?\.php)(?.*)$” > nginx: [emerg] unknown “script_name” > variable nginx: [emerg] unknown “path_info” variable nginx: [emerg] “fastcgi_busy_buffers_size” > must be equal to or greater than the maximum of the value of “fastcgi_buffer_size” > and one of the “fastcgi_buffers” * And finally I try to fix these erros, when I visit my website, the page shows: * > No input file specified. * And the nginx error log shows: * > 2015/10/31 11:22:04 [error] 21785#0: *6 FastCGI sent in stderr: “PHP message: > PHP Warning: Unknown: failed to open stream: Success in Unknown on line 0 > > Unable to open primary script: /home/wwwroot/xxx (Success)” while reading response > header from upstream, client: 106.187.51.224, server: [http://www.xxx.com](http://www.xxx.com), > request: “GET / HTTP/1.1”, upstream: “fastcgi://unix:/tmp/php5-fpm.sock:”, > host: “www.xxx.com” 2015/10/31 11:23:00 [error] 21785#0: *10 FastCGI sent in > stderr: “PHP message: PHP Warning: Unknown: failed to open stream: Success > in Unknown on line 0 Unable to open primary script: /home/wwwroot/xxx (Success)” > while reading response header from upstream, client: 123.119.106.238, server: > [http://www.xxx.com](http://www.xxx.com), request: “POST /wp-admin/admin-ajax. > php HTTP/1.1”, upstream: “fastcgi://unix:/tmp/php5-fpm.sock:”, host: “www.xxx. > com”, referrer: “[http://www.xxx.com/wp-admin/options-general.php?page=wp-ffpc-settings”](http://www.xxx.com/wp-admin/options-general.php?page=wp-ffpc-settings”); > 2015/10/31 11:23:02 [error] 21785#0: *10 FastCGI sent in stderr: “PHP message: > PHP Warning: Unknown: failed to open stream: Success in Unknown on line 0 Unable > to open primary script: /home/wwwroot/xxx (Success)” while reading response > header from upstream, client: 123.119.106.238, server: [http://www.xxx.com](http://www.xxx.com), > request: “POST /wp-admin/options-general.php?page=wp-ffpc-settings HTTP/1.1”, > upstream: “fastcgi://unix:/tmp/php5-fpm.sock:”, host: “www.xxx.com”, referrer:“ > [http://www.xxx.com/wp-admin/options-general.php?page=wp-ffpc-settings”](http://www.xxx.com/wp-admin/options-general.php?page=wp-ffpc-settings”); > 2015/10/31 11:23:03 [error] 21785#0: *10 FastCGI sent in stderr: “PHP message: > PHP Warning: Unknown: failed to open stream: Success in Unknown on line 0 Unable > to open primary script: /home/wwwroot/xxx (Success)” while reading response > header from upstream, client: 123.119.106.238, server: [http://www.xxx.com](http://www.xxx.com), > request: “GET /wp-admin/options-general.php?page=wp-ffpc-settings HTTP/1.1”, > upstream: “fastcgi://unix:/tmp/php5-fpm.sock:”, host: “www.xxx.com”, referrer:“ > [http://www.xxx.com/wp-admin/options-general.php?page=wp-ffpc-settings”](http://www.xxx.com/wp-admin/options-general.php?page=wp-ffpc-settings”); * The ngin conf is too difficult for my to config. I intend to give up the nginx memcached solution. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP-FFPC] 'Access denied' Error on /wp-admin/ and Blank Page on other pages](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 7 months ago](https://wordpress.org/support/topic/access-denied-error-on-wp-admin-and-blank-page-on-other-pages/#post-6700644) * petermolnar, thanks very much for your kindly reply. * However, The nginx.conf is generated by the your wp-ffpc plugin itself. * How to redirect to index.php when it is “nocache”? * I add try_files $uri $uri/ /index.php; * > location @nocache { > add_header X-Cache-Engine “not cached”; try_files $uri > $uri/ /index.php; fastcgi_pass unix:/dev/shm/php-cgi.sock; } * The problems is also here. How to fix it? Thanks. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[YARPP - Yet Another Related Posts Plugin] YARRP kills my dedicated server](https://wordpress.org/support/topic/yarrp-kills-my-dedicated-server/) * [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [10 years, 11 months ago](https://wordpress.org/support/topic/yarrp-kills-my-dedicated-server/#post-6255501) * Hi, ChrisZee * I have the similar issue with you. YARPP will kill all the memcached cache on my server and lead to the server lag and slow finally. * [https://wordpress.org/support/topic/save-changes-of-yarpp-options-will-reset-or-clear-all-the-memcached-cache](https://wordpress.org/support/topic/save-changes-of-yarpp-options-will-reset-or-clear-all-the-memcached-cache) * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[WP Popular Posts] What does the 'Listing refresh interval' mean exactly?](https://wordpress.org/support/topic/what-does-the-listing-refresh-interval-mean-exactly/) * Thread Starter [thinstallsoft](https://wordpress.org/support/users/thinstallsoft/) * (@thinstallsoft) * [11 years, 12 months ago](https://wordpress.org/support/topic/what-does-the-listing-refresh-interval-mean-exactly/#post-5031950) * Héctor, Thanks very much. I know it now. * I’m using wpp_get_mostpopular() on the siderbar. Does the ‘Listing refresh interval’ option also affect it? * And what’s difference between the WPP cache and other WordPress Cache plugins( such as WordPress Super Cache or W3 Total Cache)? Sorry for so many questions. Viewing 15 replies - 1 through 15 (of 15 total)