PHP curl returns (35): SSL connect error

Question

Im trying to visit the following page using php curl 7.35.0 using the following code:

    $this->ch = curl_init();
    curl_setopt($this->ch, CURLOPT_CONNECTTIMEOUT, 3000);
    curl_setopt($this->ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36");
    curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, true);
    curl_setopt($this->ch, CURLOPT_FOLLOWLOCATION, TRUE);
    curl_setopt($this->ch, CURLOPT_HTTPHEADER, array('Content-Type: application/x-www-form-urlencoded'));
    curl_setopt($this->ch, CURLOPT_TIMEOUT, 3600);
    curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($this->ch, CURLOPT_URL, 'https://asp.reflexion.net/login');
    curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
    $content  = curl_exec($this->ch);
    $httpCode = curl_getinfo($this->ch, CURLINFO_HTTP_CODE);
    if ($errno    = curl_errno($this->ch))
    {
        $error_message = curl_strerror($errno);
        echo "cURL error ({$errno}):\n {$error_message}";
    }
    echo "<br>";
    echo "http code: " . $httpCode . "<br>";
    echo "content: " . $content;

Which returns the following:

cURL error (35): SSL connect error

http code: 0 content:

Did anyone run into this problem before?

That error code means a Time out. Your network connection to that host is most likely faulty. There might be a problem with the SSL libraries used by the curl bindings in PHP. — Jahanzeb
– Jahanzeb, Commented Sep 24, 2014 at 6:08
How do I troubleshoot this? it looks like I cant access that page with no problems using Chrome. — user1029829
– user1029829, Commented Sep 24, 2014 at 7:20
"Did anyone run into this problem before?" - let's check, shall we? — C3roe
– C3roe, Commented Sep 24, 2014 at 8:44

user1029829 · Accepted Answer · 2014-10-09 04:48:55Z

3

Adding

curl_setopt($this->ch, CURLOPT_SSLVERSION , 3);

solve my issue.

answered Oct 9, 2014 at 4:48

user1029829

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1 Comment

machineaddict Over a year ago

If you scroll down to CURLOPT_SSLVERSION at php.net you can see: Setting it to 2 or 3 is very dangerous given the known vulnerabilities in SSLv2 and SSLv3.

Gucci Koo · Accepted Answer · 2015-03-10 06:36:15Z

2

usually, this is an firewall issue. SSL connection is banned by network administrator.

answered Mar 10, 2015 at 6:36

Gucci Koo

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Aqeel Over a year ago

can you pls explain a bit more how to fix this issue?

Jorge Wander Santana Ureña · Accepted Answer · 2017-12-13 19:32:10Z

2

This worked for me: yum update nss

Source: https://serverfault.com/a/642203

answered Dec 13, 2017 at 19:32

Jorge Wander Santana Ureña

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anonymous-one Over a year ago

Centos 6.4 here, this fixed it for me.

Glene · Accepted Answer · 2015-08-18 17:47:35Z

0

This solved my issue as well.

Our environment

PHP 5.3.3 libcurl 7.19.7-46 google-api-php-client 1.1.5

Deep within the Google API Client Curl code, httpd would die inside the curl_exec(). After changing CURLOPT_SSLVERSION from 1 to 3, all is well :)

answered Aug 18, 2015 at 17:47

Glene

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1 Comment

Mário Kapusta Over a year ago

php.net/manual/en/function.curl-setopt.php Note: Your best bet is to not set this and let it use the default. Setting it to 2 or 3 is very dangerous given the known vulnerabilities in SSLv2 and SSLv3.

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