final LinkedList<IPAddressPermission> permissions = new LinkedList<IPAddressPermission>();
final String ipString = props.getProperty("only_from");
if (ipString == null) {
permissions.add(new PermitAllPermission());
} else {
final String hostname = "localhost";
addIPAddressPermissions(permissions, hostname);
final StringTokenizer st = new StringTokenizer(ipString, ", \n\t");