Worried about the ‘unable to get local issuer certificate’ dialog box that pops up every time an HTTPS request is made? If the answer is affirmative, then know that there is not much to worry about. Yes, this SSL certificate problem isn’t common, but it isn’t something that cannot be fixed. With that said, let us now discuss everything there is to know about SSL errors, particularly this one with the SSL certificate issuer problem, so let’s dive into it.
An Overview of SSL Errors
As in the case of any other technologically driven solution, even the SSL certificates are not free from technical glitches. Although most of them are easy to fix, it is common for website owners to panic because of the inconvenience it causes to the users.
Moreover, it could result in lost traffic unless fixed on time, which eventually translates into lost business. We shall now discuss the “unable to get local issuer certificate” one of the most common but technical SSL errors.
Don’t worry if you have come across this one and don’t know what it means or do not possess the technical expertise required to fix it. In this article, we shall discuss this error most elaborately without getting too technical about how it should be fixed. In doing so, we shall suggest multiple fixes. So, regardless of the SSL format you have, you’ll find a fix for the SSL certificate issuer problem in this article.
Reason for “Unable To Get Local Issuer Certificate” Error
The SSL certificate is installed to encrypt server-client communication and enable decryption only for the right parties after due authentication. This is done by installing the SSL on the webserver that hosts the website, and once activated, this digital certificate facilitates that through the public-private key architecture.
In this process, the SSL certificate triggers the encryption and decryption, which requires identification and authentication of the browser and the client to ensure that the data is transmitted between the appropriate and intended parties.
For this, the cURL request is made to the HTTPS site, and this is where the SSL certificate needs to be shared to confirm the same. So, when this is disrupted, the user sees the ‘unable to get local issuer certificate error’ showing up.
It signals that the root certificate is not responding like it should when the browser shoots a request to the webserver. This SSL certificate problem is not very common, but like any other technical glitches, it can be fixed. With that said, let us figure out how this SSL certificate problem can be fixed.
How to fix “Unable to Get Local Issuer Certificate” Error
As discussed, this SSL issue crops up when there is a misconfiguration of the root certificate, which hinders the smooth communication between the server and the client. So, it needs to be fixed to the earliest, or it could lead to a decline in the traffic coming to your website. Below listed are some ways in which this SSL certificate error can be fixed.
There are mainly two types of SSL certificate issuers — Certificate Authorities and nonprofits that allow free SSL/TLS certificates. Besides them, the user can also create a self-signed SSL certificate which means the SSL will not have a third-party signature but would be self-signed.
In that case, it is quite possible that the operating system or the browser did not identify it. Usually, the OS and the browser only recognize the ones signed by reputed CAs, which causes this glitch. If that’s the reason for your concern, the best resolution would be to purchase and install an SSL certificate from a reputed CA.
Alter Php.ini (This Solution lets you Keep the existing SSL)
Navigate to https://curl.haxx.se/ca/cacert.pem and download cacert.pem.
Next, copy cacert.pem into your version of OpenSSL/Zend.
Then, open the php.ini file and then add cainfo = ‘/usr/local/openssl-0.9.8/certs/cacert.pem into the cUrl configuration.
Restart PHP and confirm whether the cURL can read HTTPS URL or not.
Disable SSL Certificate
The easiest fix is to disable the SSL certificate, and to do that; you can follow the below-mentioned steps. However, that is not recommended because it lowers the website’s security and transmits data between the client and the server in plain text format over the HTTP protocol.
Moreover, every organization and regulator, be it Google, Payment Card Council, or the EU authorities via the GDPR, now insists that websites run on the HTTPS protocol.
Steps to disable the SSL Certificate
Use the following code to disable your SSL certificate. However, disabling the SSL will end the communication between the client and the server over the HTTPS protocol and not resolve the issue. In addition, many browsers will also show a security warning when the users try to access a website that runs on HTTP, and therefore, you must use this fix only when nothing else works.
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
As discussed, the misconfiguration of the root certificate causes the ‘unable to get local issuer certificate’ error. We have discussed how that can be fixed under different scenarios — self-signed SSL, misconfigured SSL, and uninstallation. When the certificate is self-signed, the ideal solution would be to get one from a reputed CA.
On the other hand, if your SSL comes from a reputed CA and is valid, the root misconfiguration can be fixed. When nothing else works, uninstalling the SSL is the only option but, in that case, get another one from a reputed SSL certificate provider – CheapSSLShop.
An active SSL is not just security essential but is also required for compliance and SEO purposes. Not having one can result in a series of problems such as customer litigation, a decline in SEO rankings, etc. So, make sure that your site always has an active SSL that is fully functional and does the job.
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