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-rwxr-xr-xusr/local/www/firewall_nat_out.php3
1 files changed, 2 insertions, 1 deletions
diff --git a/usr/local/www/firewall_nat_out.php b/usr/local/www/firewall_nat_out.php
index 07a492e..a254bc7 100755
--- a/usr/local/www/firewall_nat_out.php
+++ b/usr/local/www/firewall_nat_out.php
@@ -138,7 +138,8 @@ if (isset($_POST['save']) && $_POST['save'] == "Save") {
/* PPTP subnet */
if (($config['pptpd']['mode'] == "server") && is_private_ip($config['pptpd']['remoteip'])) {
- $pptptopip = $config['pptpd']['n_pptp_units'] - 1;
+ $pptp_size = empty($config['pptpd']['n_pptp_units']) ? 16 : $config['pptpd']['n_pptp_units'];
+ $pptptopip = $pptp_size - 1;
$pptp_subnets = ip_range_to_subnet_array($config['pptpd']['remoteip'], long2ip32(ip2long($config['pptpd']['remoteip'])+$pptptopip));
foreach ($pptp_subnets as $pptpsn) {
$natent = array();
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