diff --git a/docs/TODO b/docs/TODO
index 9e42ea1b2e95be2f2c702bf4004a68d10e4de445..c86bfc8e16d487ec490edeabdc34eaa046d35027 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -57,6 +57,10 @@ TODO
 
  FTP
 
+ * Support GSS/Kerberos 5 for ftp file transfer. This will allow user
+   authentication and file encryption.  Possible libraries and example clients
+   are available from MIT or Heimdal. Requsted by Markus Moeller.
+
  * Optimize the way libcurl uses CWD on each new request over a persistent
    connection (on FTP) even if it doesn't have to.