diff -ur globus_gass_copy-3.22.orig/globus_url_copy.c globus_gass_copy-3.22/globus_url_copy.c
--- globus_gass_copy-3.22.orig/globus_url_copy.c	2005-12-02 00:03:28.000000000 +0100
+++ globus_gass_copy-3.22/globus_url_copy.c	2007-06-28 22:23:08.000000000 +0200
@@ -91,6 +91,7 @@
     globus_bool_t                       list_uses_data_mode;
     globus_bool_t                       ipv6;
     globus_bool_t                       allo;
+    globus_bool_t                       gridftp2;
 
     /* the need for 2 is due to the fact that gass copy is
      * not copying attributes
@@ -327,6 +328,8 @@
 "       If set to >0, Blocked mode will be used, with this as the blocksize.\n"
 "  -ipv6\n"
 "       use ipv6 when available (EXPERIMENTAL)\n"
+"  -nogridftp2\n"
+"       do not use GridFTP2 even when available\n"
 "\n";
 
 /***********
@@ -410,7 +413,8 @@
     arg_noallo,
     arg_stripe_bs,
     arg_striped,
-    arg_num = arg_striped
+    arg_nogridftp2,
+    arg_num = arg_nogridftp2
 };
 
 #define listname(x) x##_aliases
@@ -451,6 +455,7 @@
 flagdef(arg_ipv6, "-ipv6","-IPv6");
 flagdef(arg_allo, "-allo","-allocate");
 flagdef(arg_noallo, "-no-allo","-no-allocate");
+flagdef(arg_nogridftp2, "-nogridftp2","-nogridftp2");
 
 oneargdef(arg_f, "-f", "-filename", GLOBUS_NULL, GLOBUS_NULL);
 oneargdef(arg_stripe_bs, "-sbs", "-striped-block-size", test_integer, GLOBUS_NULL);
@@ -504,7 +509,8 @@
     setupopt(arg_allo);         	\
     setupopt(arg_noallo);         	\
     setupopt(arg_stripe_bs);         	\
-    setupopt(arg_striped);
+    setupopt(arg_striped);              \
+    setupopt(arg_nogridftp2);
 
 static globus_bool_t globus_l_globus_url_copy_ctrlc = GLOBUS_FALSE;
 static globus_bool_t globus_l_globus_url_copy_ctrlc_handled = GLOBUS_FALSE;
@@ -1372,6 +1378,7 @@
     guc_info->ipv6 = GLOBUS_FALSE;
     guc_info->allo = GLOBUS_TRUE;
     guc_info->create_dest = GLOBUS_FALSE;
+    guc_info->gridftp2 = GLOBUS_TRUE;
  
     /* determine the program name */
     
@@ -1559,6 +1566,10 @@
 
 	    break;
 
+        case arg_nogridftp2:
+            guc_info->gridftp2 = GLOBUS_FALSE;
+            break;
+
         default:
             globus_url_copy_l_args_error_fmt("parse panic, arg id = %d",
                                        instance->id_number);
@@ -2132,6 +2143,19 @@
             return -1;
         }
     }        
+
+    if(guc_info->gridftp2 == GLOBUS_TRUE)
+    {
+        result = globus_ftp_client_handleattr_set_gridftp2(
+            &ftp_handleattr, GLOBUS_TRUE);
+        if(result != GLOBUS_SUCCESS)
+        {
+            fprintf(stderr, _GASCSL("Error: Unable to set gridftp2 support %s\n"),
+                    globus_error_print_friendly(globus_error_peek(result)));
+            
+            return -1;
+        }
+    }
     
     globus_gass_copy_handleattr_set_ftp_attr(
         &gass_copy_handleattr, &ftp_handleattr);