tcpwrap_check
tcpwrap_check
Performs a tcpwrap check
bool **tcpwrap_check** string $daemon string $address string $user bool $nodns
This function consults the and
files to check if access to service
should be granted or denied for a client.
daemon
daemonThe service name.
addressThe client remote address. Can be either an IP address or a domain name.
userAn optional user name.
nodns
If looks like domain name then DNS is
used to resolve it to IP address; set to
true to avoid this.
address``nodns
This function returns true if access should be granted, false otherwise.
Voorbeeld: Deny all connections from localhost
If your 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');
}
?>
For more details please consult hosts_access(3) man page.