--- a/process-packet.c	Thu Mar 21 23:28:59 2019 +0800
+++ b/process-packet.c	Fri Jun 26 21:07:34 2020 +0800
@@ -51,8 +51,6 @@
 	type = buf_getbyte(ses.payload);
 	TRACE(("process_packet: packet type = %d,  len %d", type, ses.payload->len))
 
-	ses.lastpacket = type;
-
 	now = monotonic_now();
 	ses.last_packet_time_keepalive_recv = now;
 
@@ -78,7 +76,9 @@
 	idle detection. This is slightly incorrect since a tcp forwarded
 	global request with failure won't trigger the idle timeout,
 	but that's probably acceptable */
-	if (!(type == SSH_MSG_GLOBAL_REQUEST || type == SSH_MSG_REQUEST_FAILURE)) {
+	if (!(type == SSH_MSG_GLOBAL_REQUEST 
+		|| type == SSH_MSG_REQUEST_FAILURE
+		|| type == SSH_MSG_CHANNEL_FAILURE)) {
 		ses.last_packet_time_idle = now;
 	}
 
@@ -154,6 +154,7 @@
 	recv_unimplemented();
 
 out:
+	ses.lastpacket = type;
 	buf_free(ses.payload);
 	ses.payload = NULL;