$wgSpamBlacklistFiles = array(
'https://meta.wikimedia.org/w/index.php?title=Spam_blacklist&action=raw&sb_ver=1'
);
+# log hits, but allow only administrators to view them
+$wgLogSpamBlacklistHits = true;
+$wgGroupPermissions['user']['spamblacklistlog'] = false;
+$wgGroupPermissions['sysop']['spamblacklistlog'] = true;