Anyone know about this?. Can't fix it.

[AllanEpi]

<?php exit('Forbidden'); ?>
[2013-08-04 06:27:11] Received notification from 173.0.82.126 (ipn.sandbox.paypal.com)
[2013-08-04 06:27:11] Query string: cmd=_notify-validate&mc_gross=5.00&protection_eligibility=Eligible&address_status=confirmed&payer_id=45X3MX2NHDBDA&tax=0.00&address_street=1+Main+Terrace&payment_date=03%3A27%3A51+Aug+04%2C+2013+PDT&payment_status=Completed&charset=windows-1252&address_zip=W12+4LQ&first_name=Allan+Bradley&mc_fee=0.50&address_country_code=GB&address_name=Allan+Bradley+Epifanio&notify_version=3.7&custom=YToyOntzOjExOiJzZXJ2ZXJfbmFtZSI7czo2OiJCZXN0Uk8iO3M6MTA6ImFjY291bnRfaWQiO3M6NzoiMjAwMDAwMCI7fQ%3D%3D&payer_status=verified&business=testerepi2%40gmail.com&address_country=United+Kingdom&address_city=Wolverhampton&quantity=0&verify_sign=AsVpkzzFJGbQdZzjzgC6W2JHuZ0eAQnrKntJj4yKPSwL9oeYDJBPIEX1&payer_email=testerepi1%40gmail.com&txn_id=0WW34529516778619&payment_type=instant&last_name=Epifanio&address_state=West+Midlands&receiver_email=testerepi2%40gmail.com&payment_fee=0.50&receiver_id=27FPFP5EJQZAL&txn_type=web_accept&item_name=Donation+Credits%3A+5+CREDIT%28s%29&mc_currency=USD&item_number=&residence_country=GB&test_ipn=1&transaction_subject=YToyOntzOjExOiJzZXJ2ZXJfbmFtZSI7czo2OiJCZXN0Uk8iO3M6MTA6ImFjY291bnRfaWQiO3M6NzoiMjAwMDAwMCI7fQ%3D%3D&payment_gross=5.00&ipn_track_id=9971b52e48814
[2013-08-04 06:27:11] Establishing connection to PayPal server at www.sandbox.paypal.com:80...
[2013-08-04 06:27:11] EPIALLAN [www.sandbox.paypal.com]
[2013-08-04 06:27:41] Failed to connect to PayPal server: [110] Connection timed out
[2013-08-04 06:27:41] Transaction invalid, aborting.

 

Always failed to connect even if i change sandbox.paypal to ssl://www.sanbox.paypal.com:443. Still Failed.

Can anyone help me with it?