Changeset 8494

Timestamp:

03/22/2019 05:33:32 PM (5 years ago)

Author:

iandunn

Message:

Jetpack Tweaks: Lower BP API timeout to avoid exhausting PHP threads.

File:

• sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/jetpack-tweaks/miscellaneous.php (modified) (1 diff)

sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/jetpack-tweaks/miscellaneous.php

@@ -57 +57 @@
 }
 add_filter( 'contact_form_subject', __NAMESPACE__ . '\grunion_unique_subject' );
+
+/**
+ * Lower the timeout for requests to the Brute Protect API to avoid unintentional DDoS.
+ *
+ * The default timeout is 30 seconds, but when the API goes down, the long timeouts will occupy php-fpm threads,
+ * which will stack up until there are no more available, and the site will crash.
+ *
+ * @link https://wordpress.slack.com/archives/G02QCEMRY/p1553203877064600
+ *
+ * @param int $timeout
+ *
+ * @return int
+ */
+function lower_brute_protect_api_timeout( $timeout ) {
+    return 8; // seconds
+}
+add_filter( 'jetpack_protect_connect_timeout', __NAMESPACE__ . '\lower_brute_protect_api_timeout' );