--- modules/mod_xfer.c	Wed Jul 26 13:03:17 2000
+++ modules/mod_xfer.c	Fri Nov 24 19:17:18 2000
@@ -268,9 +268,12 @@
   
   /* No PORT command has been issued.
    */
+
   if(session.d != NULL || !(session.flags & SF_PORT)) {
+   if (!(session.flags & SF_PASSIVE)) {
     add_response_err(R_503, "No PORT command issued first.");
     return ERROR(cmd);
+   }
   }
 
   session.flags &= ~SF_PORT;