We are also getting this issue in various of NA data centers since 19:00PDT 09/17
buy.itunes.apple.com/verifyReceipt return with curl error message
OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to buy.itunes.apple.com:443
and error:14094438:SSL routines:ssl3_read_bytes:tlsv1 alert internal error and timeout for us.