$3 chown root $1/gnunet-helper-dns
$3 chgrp $2 $1/gnunet-helper-dns
$3 chmod 4750 $1/gnunet-helper-dns
+# In case user 'gnunet' does not exist, at least set the group
+$3 chgrp $2 $1/gnunet-service-dns
+# Usually we want both...
$3 chown gnunet:$2 $1/gnunet-service-dns
$3 chmod 2750 $1/gnunet-service-dns
-