Hello! > Unfortunately, setsockopt is not supported on netlink sockets in kernel > 2.4.5 ... That's news! :-) setsockopt is supported on all the sockets. Alexey - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html