Paypal ssl handshake faliure

Question

Hi I am using Paypal PHP SDK to communicate with Paypal Api.

2 days before every thing was working fine. But now I am getting this error on my development servers.

error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure

I am using the following CURL options while requesting:

public static $DEFAULT_CURL_OPTS = array(
    CURLOPT_SSLVERSION => 1,
    CURLOPT_CONNECTTIMEOUT => 10,
    CURLOPT_RETURNTRANSFER => TRUE,
    CURLOPT_TIMEOUT        => 60,   // maximum number of seconds to allow cURL functions to execute
    CURLOPT_USERAGENT      => 'PayPal-PHP-SDK',
    CURLOPT_HTTPHEADER     => array(),
    CURLOPT_SSL_VERIFYHOST => 2,
    CURLOPT_SSL_VERIFYPEER => 1,
    CURLOPT_SSL_CIPHER_LIST => 'TLSv1',
);

This problem only occuring using SANDBOX mode on live mode every thing works fine.

Any body knows why this is happening?

Thank You

Answer 1

I've experienced the same error. It's due to recent updates that PayPal have made: https://www.paypal-knowledge.com/infocenter/index?page=content&id=FAQ1766

You can fix it by adding this to your CURL options:

curl_setopt($ch, CURLOPT_SSLVERSION , 1);

or

CURLOPT_SSL_SSLVERSION => 1

EDIT: Complete working settings

curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $req);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($ch, CURLOPT_FORBID_REUSE, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection: Close'));
curl_setopt($ch, CURLOPT_SSLVERSION , 1);