diff --git a/ftpd/ftpd-tests.ts b/ftpd/ftpd-tests.ts
index 8942dedcb7..671ccf7053 100644
--- a/ftpd/ftpd-tests.ts
+++ b/ftpd/ftpd-tests.ts
@@ -9,7 +9,8 @@ var options: ftpd.FtpServerOptions = {
 	},
 	getRoot: function(connection: ftpd.FtpConnection): string {
 		return '/';
-	}
+	},
+	logLevel: ftpd.LogLevel.ERROR
 };
 
 var host: string = '10.0.0.42';
@@ -21,11 +22,12 @@ server.on('client:connected', function(conn: ftpd.FtpConnection): void {
 		success();
 	});
 	conn.on('command:pass', function(
-		pass: string, 
-		success: (username: string, fs?: ftpd.FtpFileSystem) => void, 
+		pass: string,
+		success: (username: string, fs?: ftpd.FtpFileSystem) => void,
 		failure: () => void) {
 		success("Rogier");
 	});
 });
 
+server.debugging = ftpd.LogLevel.TRACE;
 server.listen(21);
diff --git a/ftpd/index.d.ts b/ftpd/index.d.ts
index 6e3230dd3b..cd325109ee 100644
--- a/ftpd/index.d.ts
+++ b/ftpd/index.d.ts
@@ -12,6 +12,14 @@ import fs = require("fs");
 import net = require("net");
 import tls = require("tls");
 
+export const enum LogLevel {
+    ERROR = 0,
+    WARN = 1,
+    INFO = 2,
+    DEBUG = 3,
+    TRACE = 4
+}
+
 /**
  * Options for FtpServer constructor
  */
@@ -85,6 +93,11 @@ export interface FtpServerOptions {
      * Integer, specifies the upper-bound port (max port) for creating PASV connections
      */
     pasvPortRangeEnd?: number;
+    /**
+     * Integer from 0-4 representing the Log Level to show.
+     */
+    logLevel?: LogLevel;
+
 }
 
 /**
@@ -195,4 +208,9 @@ export declare class FtpServer extends events.EventEmitter {
      * Stop listening
      */
     public close(callback?: () => void): void;
+
+    /**
+     * Change/Retrieve logLevel at runtime.
+     */
+    public debugging: LogLevel;
 }