diff --git a/cmd/reqecho/main.go b/cmd/reqecho/main.go
new file mode 100644
index 0000000..2407e9a
--- /dev/null
+++ b/cmd/reqecho/main.go
@@ -0,0 +1,23 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httputil"
+	"os"
+)
+
+func main() {
+	http.ListenAndServe(":3369", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		b, err := httputil.DumpRequest(r, true)
+		fmt.Printf("%v\n%s\n\n", err, b)
+		f, err := os.Create("prev.txt")
+		if err != nil {
+			panic(err)
+		}
+		if _, err := f.Write(b); err != nil {
+			panic(err)
+		}
+		os.Exit(0)
+	}))
+}