diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/ftp/FtpServerConfig.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/ftp/FtpServerConfig.java
index a11bbff08e082ba12d9786153263baa6b7683d4d..de2a2ab500daae36a441c644afe86395723330c2 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/ftp/FtpServerConfig.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/ftp/FtpServerConfig.java
@@ -47,7 +47,7 @@ public class FtpServerConfig
 
     private static final int DEFAULT_PORT = 2121;
 
-    private static final boolean DEFAULT_USE_SSL = false;
+    private static final boolean DEFAULT_USE_SSL = true;
 
     private static final int DEFAULT_MAX_THREADS = 25;