source: npl/system/netkit-ftp/patches/29-netkit-ftp-0.17-active-mode-option.patch

--- netkit-ftp-0.17/ftp/main.c.orig     2012-08-22 14:13:47.452058828 +0200
+++ netkit-ftp-0.17/ftp/main.c  2012-08-22 14:16:47.964124112 +0200
@@ -87,7 +87,8 @@ static
 void
 usage(void)
 {
-       printf("\n\tUsage: { ftp | pftp } [-pinegvtd] [hostname]\n");
+       printf("\n\tUsage: { ftp | pftp } [-Apinegvtd] [hostname]\n");
+       printf("\t   -A: enable active mode\n");
        printf("\t   -p: enable passive mode (default for ftp and pftp)\n");
        printf("\t   -i: turn off prompting during mget\n");
        printf("\t   -n: inhibit auto-login\n");
@@ -166,6 +167,10 @@ main(volatile int argc, char **volatile
                                passivemode = 1;
                                break;
 
+                       case 'A':
+                               passivemode = 0;
+                               break;
+
                        case 'g':
                                doglob = 0;
                                break;
--- netkit-ftp-0.17/ftp/ftp.1.orig      2009-10-26 15:38:34.000000000 -0500
+++ netkit-ftp-0.17/ftp/ftp.1   2009-10-26 15:41:12.000000000 -0500
@@ -58,6 +58,9 @@
 Options may be specified at the command line, or to the
 command interpreter.
 .Bl -tag -width flag
+.It Fl A
+Use active mode for data transfers. This is useful for transmissions
+to servers which do not support passive connections (for whatever reason.)
 .It Fl p
 Use passive mode for data transfers. Allows use of ftp in environments
 where a firewall prevents connections from the outside world back to