1. Go to this page and download the library: Download evilfreelancer/openvpn-php library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
evilfreelancer / openvpn-php example snippets
// Config object
$config = new \OpenVPN\Config();
// Set server options
$config->dev = 'tun';
$config->proto = 'tcp';
$config->port = 1194;
$config->resolvRetry = 'infinite';
$config->cipher = 'AES-256-CBC';
$config->redirectGateway = true;
$config->server = '10.8.0.0 255.255.255.0';
$config->keepalive = '10 120';
$config->renegSec = 18000;
$config->user = 'nobody';
$config->group = 'nogroup';
$config->persistKey = true;
$config->persistTun = true;
$config->compLzo = true;
$config->verb = 3;
$config->mute = 20;
$config->status = '/var/log/openvpn/status.log';
$config->logAppend = '/var/log/openvpn/openvpn.log';
$config->clientConfigDir = 'ccd';
$config->scriptSecurity = 3;
$config->usernameAsCommonName = true;
$config->verifyClientCert = 'none';
// Set routes which will be used by server after starting
$config->setRoutes([
'10.1.1.0 255.255.255.0',
'10.1.2.0 255.255.255.0',
'10.1.3.0 255.255.255.0',
]);
// Set additional certificates of server
$config->setCerts([
'ca' => '/etc/openvpn/keys/ca.crt',
'cert' => '/etc/openvpn/keys/issued/server.crt',
]); // You can embed certificates into config by adding true as second parameter of setCerts method
// Another way for adding certificates
$config
->setCert('key', '/etc/openvpn/keys/private/server.key')
->setCert('dh', '/etc/openvpn/keys/dh.pem');
// Set pushes which will be passed to client
$config->setPushes([
// Additional routes, which clients will see
'route 10.1.2.0 255.255.255.0',
'route 10.1.3.0 255.255.255.0',
'route 10.1.4.0 255.255.255.0',
// Replace default gateway, all client's traffic will be routed via VPN
'redirect-gateway def1',
// Prepend additional DNS addresses
'dhcp-option DNS 8.8.8.8',
'dhcp-option DNS 8.8.4.4',
]);
// Generate config by options
echo $config->generate();
mport OpenVPN config file
$import = new \OpenVPN\Import('server.conf');
// or (classic way)
$import = new \OpenVPN\Import();
$import->read('server.conf');
// Parse configuration and return "\OpenVPN\Config" object
$config = $import->parse();
onfig object
$config = new \OpenVPN\Config();
// Set client options
$config->client();
$config->dev = 'tun';
$config->proto = 'tcp';
$config->resolvRetry = 'infinite';
$config->cipher = 'AES-256-CB';
$config->redirectGateway = true;
$config->keyDirection = 1;
$config->remoteCertTls = 'server';
$config->authUserPass = true;
$config->authNocache = true;
$config->nobind = true;
$config->persistKey = true;
$config->persistTun = true;
$config->compLzo = true;
$config->verb = 3;
$config->httpProxy = 'proxy-http.example.com 3128';
// Set multiple remote servers
$config->setRemotes([
'vpn1.example.com 1194',
'vpn2.example.com 11194'
]);
// Set single remote
$config->setRemote('vpn1.example.com 1194');
// Or set remote server as parameter of object
$config->remote = 'vpn.example.com 1194';
// Set additional certificates of client
$config->setCerts([
'ca' => '/etc/openvpn/keys/ca.crt',
'cert' => '/etc/openvpn/keys/issued/client1.crt',
'key' => '/etc/openvpn/keys/private/client1.key',
], true); // true - mean embed certificates into config, false by default
// Generate config by options
echo $config->generate();