--- loncom/Attic/lonc	2002/02/19 21:49:12	1.27
+++ loncom/Attic/lonc	2002/02/19 22:51:13	1.28
@@ -5,7 +5,7 @@
 # provides persistent TCP connections to the other servers in the network
 # through multiplexed domain sockets
 #
-# $Id: lonc,v 1.27 2002/02/19 21:49:12 www Exp $
+# $Id: lonc,v 1.28 2002/02/19 22:51:13 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -160,8 +160,10 @@ open (CONFIG,"$perlvar{'lonTabDir'}/host
 while ($configline=<CONFIG>) {
     my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
     chomp($ip);
-    $hostip{$id}=$ip;
-    $hostname{$id}=$name;
+    if ($ip) {
+     $hostip{$id}=$ip;
+     $hostname{$id}=$name;
+    }
 }
 
 close(CONFIG);