+/**
+ * Shared filtering cache control
+ *
+ * Do you want to use a shared file for the DNS cache or a session variable?
+ * Using a shared file means that every user can benefit from any queries
+ * made by other users. The shared file is named "dnscache" and is in the
+ * data directory.
+ * @global bool $SpamFilters_SharedCache
+ */
+global $SpamFilters_SharedCache;
+$SpamFilters_SharedCache = true;
+
+/**
+ * DNS query TTL
+ *
+ * How long should DNS query results be cached for by default (in seconds)?
+ * @global integer $SpamFilters_CacheTTL
+ */
+global $SpamFilters_CacheTTL;
+$SpamFilters_CacheTTL = 7200;
+
+/**
+ * Init plugin
+ * @access private
+ */