function DrupalKernel::validateHostnameLength

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/DrupalKernel.php \Drupal\Core\DrupalKernel::validateHostnameLength()
  2. 10 core/lib/Drupal/Core/DrupalKernel.php \Drupal\Core\DrupalKernel::validateHostnameLength()
  3. 11.x core/lib/Drupal/Core/DrupalKernel.php \Drupal\Core\DrupalKernel::validateHostnameLength()

Validates a hostname length.

Parameters

string $host: A hostname.

Return value

bool TRUE if the length is appropriate, or FALSE otherwise.

1 call to DrupalKernel::validateHostnameLength()
DrupalKernel::validateHostname in core/lib/Drupal/Core/DrupalKernel.php
Validates the hostname supplied from the HTTP request.

File

core/lib/Drupal/Core/DrupalKernel.php, line 1532

Class

DrupalKernel
The DrupalKernel class is the core of Drupal itself.

Namespace

Drupal\Core

Code

protected static function validateHostnameLength($host) {
    // Limit the length of the host name to 1000 bytes to prevent DoS attacks
    // with long host names.
    return strlen($host) <= 1000 && substr_count($host, '.') <= 100 && substr_count($host, ':') <= 100;
}

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.