Author: Jeff Johnson <jbj@redhat.com>
--- nc/netcat.c.halfclose	Fri Aug 11 12:59:56 2000
+++ nc/netcat.c	Fri Aug 11 13:01:15 2000
@@ -1220,6 +1220,7 @@
 	if (rr <= 0) {			/* at end, or fukt, or ... */
 	  FD_CLR (0, ding1);		/* disable and close stdin */
 	  close (0);
+	  shutdown(fd, 1);		/* no more sending from us */
 	} else {
 	  rzleft = rr;
 	  zp = bigbuf_in;