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-rw-r--r--includes/utils.php5
1 files changed, 5 insertions, 0 deletions
diff --git a/includes/utils.php b/includes/utils.php
index 79888dd..993300b 100644
--- a/includes/utils.php
+++ b/includes/utils.php
@@ -153,6 +153,11 @@ function match_ipv6($ip, $ip_only = true) {
* otherwise.
*/
function match_hostname($hostname) {
+ // That's an IP address so it is not a valid hostname.
+ if (match_ipv4($hostame) || match_ipv6($hostname)) {
+ return false;
+ }
+
return (
// Valid characters check
preg_match('/^(_?[a-z\d](-*[_a-z\d])*)(\.(_?[a-z\d](-*[_a-z\d])*))*$/i', $hostname)