diff --git a/env.sample b/env.sample
new file mode 100644
index 0000000..b7522b2
--- /dev/null
+++ b/env.sample
@@ -0,0 +1,3 @@
+PROJECT_ID=
+REGION=us-east4
+DOMAIN=proto-hype.net
diff --git a/main.go b/main.go
index 4614ad4..f217cee 100644
--- a/main.go
+++ b/main.go
@@ -17,6 +17,18 @@ func main() {
 	rand.Seed(time.Now().UnixNano())
 
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		// error handling for common probes
+		if r.Host == "" {
+			http.BadRequest(w, r)
+			return
+		}
+
+		// error handling for common probes
+		if r.URL.Path != "/" {
+			http.NotFound(w, r)
+			return
+		}
+
 		// Default to 2 words, can be overridden by query param "words"
 		words := 2
 		if wParam := r.URL.Query().Get("words"); wParam != "" {