diff --git a/config/upstream.conf b/config/upstream.conf
index b9c80c9..d5f9a4a 100644
--- a/config/upstream.conf
+++ b/config/upstream.conf
@@ -11,6 +11,10 @@ events {
 }
 
 stream {
+    log_format basic '$remote_addr [$time_local] '
+                     '$protocol $status $bytes_sent $bytes_received';
+    access_log /logs/upstream_access basic;
+
     upstream other {
         server ng:443;
     }