php - Why does PayPal intermittently give SSL errors? -


i'm using paypal take payments on website.

30% of ipns bail out following curl error. works fine other 70% of time.

unknown ssl protocol error in connection www.paypal.com:443

i've tried using sslv3 no avail.

here php curl settings, based on micah carrick's ipn listener script. 

<?php  curl_setopt($ch, curlopt_ssl_verifypeer, true); curl_setopt($ch, curlopt_ssl_verifyhost, 2); curl_setopt($ch, curlopt_cainfo, dirname(__file__)."/cert/api_cert_chain.crt"); curl_setopt($ch, curlopt_url, 'https://www.paypal.com/cgi-bin/webscr/' ); curl_setopt($ch, curlopt_post, true); curl_setopt($ch, curlopt_postfields, $encoded_data); curl_setopt($ch, curlopt_followlocation, false); curl_setopt($ch, curlopt_timeout, 45); curl_setopt($ch, curlopt_returntransfer, true); curl_setopt($ch, curlopt_header, true);

not sure. we're not seeing on our end.
can change 'curlopt_url' https://ipnpb.paypal.com/cgi-bin/webscr , try little bit?


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