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-rw-r--r--phpBB/includes/functions_transfer.php4
1 files changed, 2 insertions, 2 deletions
diff --git a/phpBB/includes/functions_transfer.php b/phpBB/includes/functions_transfer.php
index 7427b89917..f0070b4b1e 100644
--- a/phpBB/includes/functions_transfer.php
+++ b/phpBB/includes/functions_transfer.php
@@ -810,7 +810,7 @@ class ftp_fsock extends transfer
$server_ip = substr($socket_name, 0, strrpos($socket_name, ':'));
}
- if (!isset($server_ip) || preg_match(get_preg_expression('ipv4'), $server_ip))
+ if (isset($server_ip) && filter_var($server_ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) // ipv4
{
// Passive mode
$this->_send_command('PASV', '', false);
@@ -831,7 +831,7 @@ class ftp_fsock extends transfer
$server_ip = $temp[0] . '.' . $temp[1] . '.' . $temp[2] . '.' . $temp[3];
$server_port = $temp[4] * 256 + $temp[5];
}
- else
+ else // ipv6
{
// Extended Passive Mode - RFC2428
$this->_send_command('EPSV', '', false);