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-rw-r--r--etc/inc/filter.inc8
1 files changed, 7 insertions, 1 deletions
diff --git a/etc/inc/filter.inc b/etc/inc/filter.inc
index fdc7e61..9c64795 100644
--- a/etc/inc/filter.inc
+++ b/etc/inc/filter.inc
@@ -2032,7 +2032,13 @@ function filter_nat_rules_generate() {
if(isset($rule['destination']['any'])) {
/* With reflection enabled, destination of 'any' has side effects
* that most people would not expect, so change it on reflection rules. */
- $dstaddr_reflect = $FilterIflist[$natif]['ip'];
+ if (!empty($FilterIflist[$natif]['ip'])) {
+ $dstaddr_reflect = $FilterIflist[$natif]['ip'];
+ } else {
+ // no IP, bail
+ continue;
+ }
+
if(!empty($FilterIflist[$natif]['sn']))
$dstaddr_reflect = gen_subnet($dstaddr_reflect, $FilterIflist[$natif]['sn']) . '/' . $FilterIflist[$natif]['sn'];
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