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-rw-r--r--config/unbound/unbound.inc36
1 files changed, 24 insertions, 12 deletions
diff --git a/config/unbound/unbound.inc b/config/unbound/unbound.inc
index 28cca155..4e311e0f 100644
--- a/config/unbound/unbound.inc
+++ b/config/unbound/unbound.inc
@@ -277,6 +277,7 @@ function unbound_resync_config() {
$host_entries = unbound_add_host_entries();
// Domain Overrides
+ $private_domains = unbound_add_domain_overrides(true);
$domain_overrides = unbound_add_domain_overrides();
// Unbound Statistics
@@ -321,9 +322,6 @@ pidfile: "{$g['varrun_path']}/unbound.pid"
root-hints: "root.hints"
harden-dnssec-stripped: {$unbound_config['harden-dnssec-stripped']}
harden-referral-path: no
-private-address: 10.0.0.0/8
-private-address: 172.16.0.0/12
-private-address: 192.168.0.0/16
prefetch: yes
prefetch-key: yes
use-syslog: yes
@@ -333,6 +331,16 @@ unwanted-reply-threshold: 10000000
# Networks allowed to utilize service
access-control: 127.0.0.0/8 allow
{$unbound_allowed_networks}
+# For DNS Rebinding prevention
+private-address: 10.0.0.0/8
+private-address: 172.16.0.0/12
+private-address: 192.168.0.0/16
+private-address: 192.254.0.0/16
+# private-address: fd00::/8
+# private-address: fe80::/10
+# Set private domains in case authorative name server returns a RFC1918 IP address
+{$private_domains}
+
# Host entries
{$host_entries}
# Domain overrides
@@ -544,17 +552,17 @@ function unbound_add_host_entries() {
return $unbound_entries;
}
-/* Setup any domain overrides that have been configured with local-zone
+/* Setup any domain overrides that have been configured with stub-zone parameter
*/
-function unbound_add_domain_overrides() {
+function unbound_add_domain_overrides($pvt=false) {
global $config;
if (isset($config['dnsmasq']['domainoverrides'])) {
$domains = $config['dnsmasq']['domainoverrides'];
- // Domain overrides that have multiple entries need multiple forward-addr: added
+ // Domain overrides that have multiple entries need multiple stub-addr: added
$sorted_domains = msort($domains, "domain");
- $result = array();
+ $result = array();
foreach($sorted_domains as $domain) {
$domain_key = current($domain);
if(!isset($result[$domain_key])) {
@@ -565,12 +573,16 @@ function unbound_add_domain_overrides() {
$domain_entries = "";
foreach($result as $domain=>$ips) {
- $domain_entries .= "stub-zone:\n";
- $domain_entries .= "\tname: \"$domain\"\n";
- foreach($ips as $ip) {
- $domain_entries .= "\tstub-addr: $ip\n";
+ if($pvt == true) {
+ $domain_entries .= "private-domain: \"$domain\"\n";
+ } else {
+ $domain_entries .= "stub-zone:\n";
+ $domain_entries .= "\tname: \"$domain\"\n";
+ foreach($ips as $ip) {
+ $domain_entries .= "\tstub-addr: $ip\n";
+ }
+ $domain_entries .= "\tstub-prime: no\n";
}
- $domain_entries .= "\tstub-prime: no\n";
}
return $domain_entries;
}