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  1. J

    Relation "502 Bad Gateway"/"can't apply process slot" and restart iptables?

    Dear, I have a strange issue on a Plesk 12 VPS. Sometimes the sites result in a "502 Bad Gateway (nginx)". This happens 1 or 2 times a day on different times. In the httpd log I see a record "can't apply process slot" and in nginx log I see "connect() failed (111: Connection refused) while...
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