Why am I recieving this errors on my WP site after recieving your "brute attack" message?

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blaskow
  • Answered
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Warning: Cannot modify header information - headers already sent by (output started at /home/leipro5/public_html/leiproducts/wp-content/wp-cache-config.php:2) in /home/leipro5/public_html/leiproducts/wp-login.php on line 368

Warning: Cannot modify header information - headers already sent by (output started at /home/leipro5/public_html/leiproducts/wp-content/wp-cache-config.php:2) in /home/leipro5/public_html/leiproducts/wp-login.php on line 380

Warning: Cannot modify header information - headers already sent by (output started at /home/leipro5/public_html/leiproducts/wp-content/wp-cache-config.php:2) in /home/leipro5/public_html/leiproducts/wp-includes/pluggable.php on line 680

Warning: Cannot modify header information - headers already sent by (output started at /home/leipro5/public_html/leiproducts/wp-content/wp-cache-config.php:2) in /home/leipro5/public_html/leiproducts/wp-includes/pluggable.php on line 681

Warning: Cannot modify header information - headers already sent by (output started at /home/leipro5/public_html/leiproducts/wp-content/wp-cache-config.php:2) in /home/leipro5/public_html/leiproducts/wp-includes/pluggable.php on line 682

Warning: Cannot modify header information - headers already sent by (output started at /home/leipro5/public_html/leiproducts/wp-content/wp-cache-config.php:2) in /home/leipro5/public_html/leiproducts/wp-includes/pluggable.php on line 876
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JacobIMH
Hello blaskow, and thank you for your question. I'm assuming that you're receiving these errors on our actual error page regarding the brute force attack? You might be getting these security rules triggered due to multiple IP addresses hitting your wp-login.php script. I'd recommend that you lock down the WordPress admin login with .htaccess rules, or you could also prevent unauthorized WordPress admin login attempts by requiring a second level password for access. The error Warning: Cannot modify header information - headers already sent by... simply means that the PHP script tried to send some information to the page, however the headers had already been sent, so it couldn't modify the page. This behaviour could possibly be coming from one of the WordPress plugins you have installed, or from the looks of it dealing with the cache configuration. Are you receiving this error on any pages other than when you trigger our security rules blocking the WordPress brute force attack attempts? If so please let us know! - Jacob