Hello, This is just a small patch, guess the --modprobe option is not very popular :) It's vs the CVS userspace iptables.c file.
--- iptables.c.old Sat Jun 15 00:06:12 2002 +++ iptables.c Sat Jun 15 00:06:04 2002 @@ -1682,7 +1682,7 @@ opterr = 0; while ((c = getopt_long(argc, argv, - "-A:C:D:R:I:L::F::Z::N:X::E:P:Vh::o:p:s:d:j:i:fbvnt:m:xc:", + "-A:C:D:R:I:L::F::Z::N:X::E:P:Vh::o:p:s:d:j:i:fbvnt:m:xc:M:", opts, NULL)) != -1) { switch (c) { /* cheers, Bart