diff --git a/files/filter.d/grafana.local b/files/filter.d/grafana.local
new file mode 100644
index 0000000..a4fc60d
--- /dev/null
+++ b/files/filter.d/grafana.local
@@ -0,0 +1,10 @@
+[INCLUDES]
+before = common.conf
+
+[Definition]
+failregex = ^ lvl=[a-zA-z]* msg=\"Invalid username or password\" (?:\S*=(?:\".*\"|\S*) )*remote_addr=<HOST>
+
+ignoreregex =
+
+[Init]
+datepattern = ^t=%%Y-%%m-%%dT%%H:%%M:%%S%%z