protected static DrupalKernel::validateHostnameLength($host)
Validates a hostname length.
string $host: A hostname.
bool TRUE if the length is appropriate, or FALSE otherwise.
protected static function validateHostnameLength($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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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!DrupalKernel.php/function/DrupalKernel::validateHostnameLength/8.1.x