tcpwrap_check - Performs a tcpwrap check
Вернуться к: TCP Функции
tcpwrap_check
(PECL tcpwrap >= 0.1.0)
tcpwrap_check — Performs a tcpwrap check
Описание
$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
addresslooks like domain name then DNS is used to resolve it to IP address; setnodnstoTRUEto avoid this.
Возвращаемые значения
This function returns TRUE if access should be granted, FALSE otherwise.
Примеры
Пример #1 Deny all connections from localhost
If your /etc/hosts.deny file contains:
php: 127.0.0.1
And your code looks like:
<?php
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.
Вернуться к: TCP Функции