Solved: (cron) info (No MTA installed, discarding output) error
Problem
Received SSL certificate problem: unable to get local issuer certificate error
when executing curl request to a secure HTTPS destination.
Cause of the problem
If you get SSL certificate problem: unable to get local issuer certificate error, it's an indication that your root and intermediate certificates on the system are not working correctly or not set up correctly.
Solution
- Download the latest
cacert.pemfrom https://curl.haxx.se/ca/cacert.pem - Add the
--cacert /path/to/cacert.pemflag to the curl command to tell curl where the local Certificate Authority file is.
If you are using PHP:
Add the following line to the php.ini file or users.ini if you are on the shared hosting:
curl.cainfo="/path/to/downloaded/cacert.pem"
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Solved: Error 526 Invalid SSL Certificate
Error 526 indicates Cloudflare is unable to successfully validate the SSL certificate on the origin web server and the SSL setting in the Cloudflare SSL/TLS app is set to Full SSL (Strict) for the website.
Questions -
Does each subdomain need its own SSL certificate?
This depends purely on what type of certificate you have. You can have a standard single domain certificate. Aside from that, you can also get two following types of certificates.
Questions -
Solved: SSL_Error_rx_record_too_long
The usual cause is that the implementation of SSL on your server is not correct. The error is usually caused by a server-side problem which the server administrator will need to investigate.
Questions -
How to generate a private key for the existing .crt file on Apache?
Unfortunately, this is not possible. You cannot generate a private key out of an existing certificate. If it would be possible, you would be able to impersonate virtually any HTTPS webserver.
Questions
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