Support » Plugin: s2Member Framework (Member Roles, Capabilities, Membership, PayPal Members) » recv() failed: strange connection to host?

  • Hello,

    Yesterday I received this error which seems to be caused by a failed connection to the host: 151.52.65.115

    Here is the full error:

    2014/06/07 18:46:46 [error] 22805#0: *461085601 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 151.52.65.115, server: websitename.com, request: "POST /wp-admin/admin-ajax.php HTTP/1.1", upstream: "fastcgi://unix:/var/www/vhosts/system/websitename.com/php-fpm.sock:", host: "websitename.com", referrer: "http://websitename.com/wp-admin/admin.php?page=ws-plugin--s2member-paypal-ops"
    2014/06/07 18:47:53 [error] 22805#0: *461094423 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 151.52.65.115, server: websitename.com, request: "GET /wp-content/plugins/s2member/s2member-o.php?ws_plugin__s2member_css=1&qcABC=1&ver=140603-4094248687 HTTP/1.1", upstream: "fastcgi://unix:/var/www/vhosts/system/websitename.com/php-fpm.sock:", host: "websitename.com", referrer: "http://websitename.com/"
    2014/06/07 18:47:53 [error] 22795#0: *461094426 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 151.52.65.115, server: websitename.com, request: "GET /wp-content/plugins/s2member/s2member-o.php?ws_plugin__s2member_js_w_globals=1&qcABC=1&ver=140603-4094248687 HTTP/1.1", upstream: "fastcgi://unix:/var/www/vhosts/system/websitename.com/php-fpm.sock:", host: "websitename.com", referrer: "http://websitename.com/"

    The website then returned 502 bad gateway.

    This problem didn’t happen all the time but only to some users and only in the wp-admin panel.

    Can anyone help me on this?

    Thanks

    https://wordpress.org/plugins/s2member/

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