diff -up bind-9.5.0-P1/lib/dns/iptable.c.rh457175 bind-9.5.0-P1/lib/dns/iptable.c

--- bind-9.5.0-P1/lib/dns/iptable.c.rh457175	2008-01-21 22:02:24.000000000 +0100

+++ bind-9.5.0-P1/lib/dns/iptable.c	2008-07-31 16:10:46.000000000 +0200

@@ -117,16 +117,17 @@ dns_iptable_merge(dns_iptable_t *tab, dn

 			if (node->data[0] &&

 			    *(isc_boolean_t *) node->data[0] == ISC_TRUE)

 				new_node->data[0] = &dns_iptable_neg;

-			else

-				new_node->data[0] = node->data[0];

 			if (node->data[1] &&

 			    *(isc_boolean_t *) node->data[1] == ISC_TRUE)

 				new_node->data[1] = &dns_iptable_neg;

-			else

-				new_node->data[1] = node->data[0];

 		}

+		if (new_node->data[0] == NULL)

+			new_node->data[0] = node->data[0];

+		if (new_node->data[1] == NULL)

+			new_node->data[1] = node->data[1];

+

 		if (node->node_num[0] > max_node)

 			max_node = node->node_num[0];

 		if (node->node_num[1] > max_node)