protected static DrupalKernel::validateHostnameLength($host)
Validates a hostname length.
Parameters
string $host: A hostname.
Return value
bool TRUE if the length is appropriate, or FALSE otherwise.
File
- core/lib/Drupal/Core/DrupalKernel.php, line 1435
Class
- DrupalKernel
- The DrupalKernel class is the core of Drupal itself.
Namespace
Drupal\Core
Code
protected static function validateHostnameLength($host) {
// Limit the length of the host name to 1000 bytes to prevent DoS attacks
// with long host names.
return strlen($host) <= 1000
// Limit the number of subdomains and port separators to prevent DoS attacks
// in findSitePath().
&& substr_count($host, '.') <= 100
&& substr_count($host, ':') <= 100;
}
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