I'm running Apache 2.4 (mpm event mode + php-fpm) on CentOS 7. For HTTP requests which take longer than 60 seconds (whether it's a dynamic PHP page or a static page), exactly after one minute I receive a 503 service unavailable error page. If I access same page through HTTPS protocol, everything seems to be OK. In both cases, PHP scripts continue to run till the end properly, but in former case clients receive an error page and its strongly unpleasant. I guess it maybe is a network related problem or something related to CentOS limitations (SELinux is also off)
Any ideas?
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