John Davidson

Message:

I am using SSL connection to connecting to the sip2 server. but now server upgrade with TLS1.2

We use this below class(sip2.class.php) to connect SIP2 server and that class use ssl connect. Any suggestion on how will connect using TLS1.2 with below script using PHP

https://github.com/the-codepunker/php-sip2/blob/master/sip2.class.php

---

My Answer:
To connect to a SIP2 server using TLS 1.2 in PHP, you will need to modify the existing sip2.class.php file to use the appropriate TLS settings. Here are the steps you can follow:

1. Update the existing sip2.class.php file to use the TLS 1.2 protocol. You can do this by setting the appropriate SSL context options in the file. Here is an example of how you can update the file:

php
// Set the SSL context options
$context = stream_context_create([
'ssl' => [
'crypto_method' => STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT,
],
]);

// Use the SSL context options when making the connection
$fp = stream_socket_client("ssl://{$this->host}:{$this->port}", $errno, $errstr, $this->timeout, STREAM_CLIENT_CONNECT, $context);


2. Make sure that your PHP installation supports TLS 1.2. You can check this by running the following command in your terminal:

bash
php -r "echo defined('STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT') ? 'TLS 1.2 is supported' : 'TLS 1.2 is not supported';"


3. Test the connection to the SIP2 server using the updated sip2.class.php file. If everything is set up correctly, you should be able to connect to the server using TLS 1.2.

Please note that the above code is just an example and may need to be adjusted based on your specific requirements and the SIP2 server configuration. Make sure to test the connection thoroughly before deploying it in a production environment.