Recent content by wakabayashi-sec

Yes, I know WordPress itself switches the site to maintenance mode while updating, but is "wp-content/maintenace.php" used at that time? I can't find any file updated around the time of errors. "wp-content/maintenace.php" is generated by not WordPress itself but WordPress Toolkit, isn't it? So...

Thank you for your replies. I'm not sure what header() function does, so I looked up. My understanding is: 1. The site is switched to the maintenance mode automatically by WordPress Toolkit for some reason. 2. Someone visited the site during the maintenance mode. 3. HTML response header is sent...

I often see following warnings in error log files: PHP Warning: Cannot modify header information - headers already sent in (pathname)/wp-content/maintenance.php on line 16 PHP Warning: Cannot modify header information - headers already sent in (pathname)/wp-content/maintenance.php on line 17...