setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&one, sizeof(one));
#endif /* ndef _WIN32 */
+#ifdef IP_FREEBIND
+ setsockopt(fd, IPPROTO_IP, IP_FREEBIND, (char *)&one, sizeof(one));
+#endif
+
#ifdef HAVE_RFC2553
if (bind(fd, rp->ai_addr, rp->ai_addrlen) < 0)
#else