无法通过TLS 1.2检查

Question

我正在运行CentOS 7和PHP 7.0.13。我无法让TlsCheck.php返回PayPal_Connection_OK。我正在运行一个旧版本的CURL，但我升级了。我还禁用了TLS 1.0和1.1。这是包含CURL数据的输出：

string(28) "TCP connection reset by peer"
DEBUG INFORMATION:
###########
CURL VERSION:
{
    "version_number": 471808,
    "age": 3,
    "features": 2065309,
    "ssl_version_number": 0,
    "version": "7.51.0",
    "host": "x86_64-redhat-linux-gnu",
    "ssl_version": "NSS\/3.21 Basic ECC",
    "libz_version": "1.2.7",
    "protocols": [
        "dict",
        "file",
        "ftp",
        "ftps",
        "gopher",
        "http",
        "https",
        "imap",
        "imaps",
        "ldap",
        "ldaps",
        "pop3",
        "pop3s",
        "rtsp",
        "scp",
        "sftp",
        "smb",
        "smbs",
        "smtp",
        "smtps",
        "telnet",
        "tftp"
    ]
}

SSL Report