Title: muggz's Replies | WordPress.org --- # muggz [ ](https://wordpress.org/support/users/muggz/) * [Profile](https://wordpress.org/support/users/muggz/) * [Topics Started](https://wordpress.org/support/users/muggz/topics/) * [Replies Created](https://wordpress.org/support/users/muggz/replies/) * [Reviews Written](https://wordpress.org/support/users/muggz/reviews/) * [Topics Replied To](https://wordpress.org/support/users/muggz/replied-to/) * [Engagements](https://wordpress.org/support/users/muggz/engagements/) * [Favorites](https://wordpress.org/support/users/muggz/favorites/) Search replies: ## Forum Replies Created Viewing 15 replies - 1 through 15 (of 21 total) 1 [2](https://wordpress.org/support/users/muggz/replies/page/2/?output_format=md) [→](https://wordpress.org/support/users/muggz/replies/page/2/?output_format=md) * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] v4.* installations on shared servers child sites](https://wordpress.org/support/topic/v4-installations-on-shared-servers-child-sites/) * Thread Starter [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/v4-installations-on-shared-servers-child-sites/#post-11709705) * Thank you, that should help to avoid a false sense of security that currently exists with multiple installs on shared servers. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/page/2/#post-11706685) * BTW, my hosting plan is with InMotion Hosting. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/page/2/#post-11706656) * Sweet, thank YOU for the awesome firewall! * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/page/2/#post-11706640) * disabling NF, renaming parent php.ini and commenting out .htaccess allowed activation and place me where it should, in WordPress WPF mode. Then allowing NF to make the changes to Full WAF mode was successful. * Would you like me to do any more testing? * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/page/2/#post-11706631) * It’s definitively using the parent: auto_prepend_file: /home/****/public_html/ wp-content/nfwlog/ninjafirewall.php * I’ll disable, rename php.ini and comment out .hta once more…. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/#post-11706619) * Plugin activated with that one, overview is saying: Mode NinjaFirewall is running in Full WAF mode. * yet, the php.ini nor the .htaccess has been modified on the child site. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/#post-11706617) * /home/*****/public_html/mysite.tld/wp-content/mu-plugins/0-ninjafirewall.php exists with permissions set to 644 * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/#post-11706603) * That gave me the following error: * Plugin could not be activated because it triggered a fatal error. * Error, cannot write /home/*****/public_html/mysite.tld/wp-content/mu-plugins/ 0-ninjafirewall.php. Check your server permissions and try again. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/#post-11706590) * Just saw your above post and will report back… * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/#post-11706587) * OK, more info…. * I disabled NF on the parent renamed the php.ini in the root of the parent commented out the below section of the .htaccess in the root of the parent: suPHP_ConfigPath /home/*****/public_html * and still receive the “The plugin does not have a valid header.” error upon activating. * As an FYI, on the other three child sites, I was able to install v3.x without disabling the parent and was successful at them upgrading to 4.0 * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/#post-11706560) * I simply deactivated the plugin on the parent and upon activating on the child, I still received the “The plugin does not have a valid header.” error. * I guess I could manually edit the .htaccess and php.ini, but I’d imagine you want to fix the issue. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/#post-11706552) * I installed NF on 3 other child sites using v3.x without error, I’ll try your suggestion and report back * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/#post-11706528) * Removing the line: Plugin Name: NinjaFirewall (WP Edition) from the lib/ninjafirewall. php did allow activation, however the overview page says: Firewall Enabled Mode NinjaFirewall is running in Full WAF mode. Edition WP Edition ~ Need more security? Get Premium! Version 4.0 ~ Security rules: 2019-07-01.2 PHP SAPI CGI-FCGI ~ 7.2.19 * and neither the php.ini or .htaccess in the root of the child site was modified * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall] The plugin does not have a valid header.](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [6 years, 10 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-169/#post-11706439) * I have the same The plugin does not have a valid header. error whether I add via “Search plugins” or download from your site and upload. * This is being installed on a shared site beneath another install. Versions prior to 4.0 installed fine on sites beneath the parent. * After the “The plugin does not have a valid header.”, If I click on the activate button from the plugin page, the activation states it was successful and says it is running in Full WAF mode, but the .htaccess and php.ini is never modified. * I had no issues with the older version, the auto_prepend line was added to php. ini and the suPHP_ConfigPath was added to .htaccess just fine. * Even changing the parent install to debug mode did not stop the install error. Could I download an older version and upgrade to 4.0? That worked on the other three child installs. * Forum: [Themes and Templates](https://wordpress.org/support/forum/themes-and-templates/) In reply to: [[Customizr] Website loading too slow](https://wordpress.org/support/topic/website-loading-too-slow/) * [muggz](https://wordpress.org/support/users/muggz/) * (@muggz) * [12 years, 4 months ago](https://wordpress.org/support/topic/website-loading-too-slow/#post-4433296) * This is likely to be the cause: * [http://wordpress.org/support/topic/header-image-kills-performance](http://wordpress.org/support/topic/header-image-kills-performance) * Comment out the lines in that post and the slowdown may go away. Viewing 15 replies - 1 through 15 (of 21 total) 1 [2](https://wordpress.org/support/users/muggz/replies/page/2/?output_format=md) [→](https://wordpress.org/support/users/muggz/replies/page/2/?output_format=md)