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-rw-r--r--etc/inc/filter.inc1
1 files changed, 1 insertions, 0 deletions
diff --git a/etc/inc/filter.inc b/etc/inc/filter.inc
index 241ce82..b6b3866 100644
--- a/etc/inc/filter.inc
+++ b/etc/inc/filter.inc
@@ -764,6 +764,7 @@ function filter_nat_rules_generate() {
update_filter_reload_status("Creating NAT rule {$rule['descr']}");
/* if item is an alias, expand */
+ unset($extport);
if(alias_expand($rule['external-port']))
$extport[0] = alias_expand_value($rule['external-port']);
else
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