--- a/plugins/mod_register_limits.lua	Mon Apr 09 22:05:49 2018 +0200
+++ b/plugins/mod_register_limits.lua	Tue Apr 10 01:31:14 2018 +0200
@@ -60,7 +60,7 @@
 	local log = session and session.log or module._log;
 	if not ip then
 		log("debug", "User's IP not known; can't apply blacklist/whitelist");
-	elseif ip_in_set(blacklisted_ips, event.ip) then
+	elseif ip_in_set(blacklisted_ips, ip) then
 		log("debug", "Registration disallowed by blacklist");
 		event.allowed = false;
 		event.reason = "Your IP address is blacklisted";
@@ -69,7 +69,7 @@
 		event.allowed = false;
 		event.reason = "Your IP address is not whitelisted";
 	elseif throttle_max and not ip_in_set(whitelisted_ips, ip) then
-		if not check_throttle(event.ip) then
+		if not check_throttle(ip) then
 			log("debug", "Registrations over limit for ip %s", ip or "?");
 			event.allowed = false;
 			event.reason = "Too many registrations from this IP address recently";