--- a/plugins/mod_csi_simple.lua	Sun Nov 25 13:31:40 2018 +0100
+++ b/plugins/mod_csi_simple.lua	Mon Nov 26 19:48:17 2018 +0100
@@ -81,7 +81,7 @@
 		pump:pause();
 		session.pump = pump;
 		function session.send(stanza)
-			if module:fire_event("csi-stanza-is-important", { stanza = stanza, session = session }) then
+			if module:fire_event("csi-is-stanza-important", { stanza = stanza, session = session }) then
 				pump:flush();
 				send(stanza);
 			else

--- a/plugins/mod_proxy65.lua	Sun Nov 25 13:31:40 2018 +0100
+++ b/plugins/mod_proxy65.lua	Mon Nov 26 19:48:17 2018 +0100
@@ -93,7 +93,6 @@
 	local host, name = module:get_host(), module:get_option_string("name", "SOCKS5 Bytestreams Service");
 
 	local proxy_address = module:get_option_string("proxy65_address", host);
-	local proxy_port = next(portmanager.get_active_services():search("proxy65", nil)[1] or {});
 	local proxy_acl = module:get_option_array("proxy65_acl");
 
 	-- COMPAT w/pre-0.9 where proxy65_port was specified in the components section of the config
@@ -123,6 +122,13 @@
 			return true;
 		end
 
+		local proxy_port = next(portmanager.get_active_services():search("proxy65", nil)[1] or {});
+		if not proxy_port then
+			module:log("warn", "Not listening on any port");
+			origin.send(st.error_reply(stanza, "wait", "item-not-found", "Not listening on any port"));
+			return true;
+		end
+
 		local sid = stanza.tags[1].attr.sid;
 		origin.send(st.reply(stanza):tag("query", {xmlns="http://jabber.org/protocol/bytestreams", sid=sid})
 			:tag("streamhost", {jid=host, host=proxy_address, port=("%d"):format(proxy_port)}));