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From 24f0601345fa245eddaaecab5dde8fc0d14b0ef6 Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Mon, 28 Jun 2021 08:47:07 +0200
Subject: [PATCH] only return valid IPs
---
src/Config/Config.php | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/src/Config/Config.php b/src/Config/Config.php
index 37ae91d..81b70a4 100644
--- a/src/Config/Config.php
+++ b/src/Config/Config.php
@@ -85,7 +85,14 @@ public static function loadResolvConfBlocking($path = null)
preg_match_all('/^nameserver\s+(\S+)\s*$/m', $contents, $matches);
$config = new self();
- $config->nameservers = $matches[1];
+ $config->nameservers = [];
+
+ /* only valid IP */
+ foreach($matches[1] as $n) {
+ if (filter_var("$n",FILTER_VALIDATE_IP)) {
+ $config->nameservers[] = $n;
+ }
+ }
return $config;
}
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