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(PECL tcpwrap >= 0.1.0)

tcpwrap_check — Performs a tcpwrap check


bool tcpwrap_check ( string $daemon , string $address [, string $user [, bool $nodns = false ]] )

This function consults the /etc/hosts.allow and /etc/hosts.deny files to check if access to service daemon should be granted or denied for a client.

Список параметров

daemon -

The service name.

address -

The client remote address. Can be either an IP address or a domain name.

user -

An optional user name.

nodns -

If address looks like domain name then DNS is used to resolve it to IP address; set nodns to TRUE to avoid this.

Возвращаемые значения

This function returns TRUE if access should be granted, FALSE otherwise.


Пример #1 Deny all connections from localhost

If your /etc/hosts.deny file contains:


And your code looks like:

if (!tcpwrap_check('php', $_SERVER['REMOTE_ADDR'])) {
  die('You are not welcome here');

Смотрите также

For more details please consult hosts_access(3) man page.

Описание на ru2.php.net
Описание на php.ru