diff --git a/core/servers/login/telnet.js b/core/servers/login/telnet.js
index 2e27a6f8..e340d512 100644
--- a/core/servers/login/telnet.js
+++ b/core/servers/login/telnet.js
@@ -142,6 +142,8 @@ const OPTIONS = {
 	//SSPI_LOGON			: 139,
 	//PRAGMA_HEARTBEAT		: 140
 
+	ARE_YOU_THERE			: 246,	//	aka 'AYT' RFC 854 @ https://tools.ietf.org/html/rfc854
+
 	EXTENDED_OPTIONS_LIST	: 255,	//	RFC 861 (STD 32)
 };
 
@@ -192,7 +194,7 @@ OPTION_IMPLS[OPTIONS.TERMINAL_SPEED]		=
 OPTION_IMPLS[OPTIONS.REMOTE_FLOW_CONTROL]	=
 OPTION_IMPLS[OPTIONS.X_DISPLAY_LOCATION]	=
 OPTION_IMPLS[OPTIONS.SEND_LOCATION]			= 
-
+OPTION_IMPLS[OPTIONS.ARE_YOU_THERE]			=
 OPTION_IMPLS[OPTIONS.SUPPRESS_GO_AHEAD]		= function(bufs, i, event) {
 	event.buf = bufs.splice(0, i).toBuffer();
 	return event;