Android Security: SSL Pinning. Using SSL in an Android app is easy… | by Matthew Dolan | Medium
DIY] Authenticate using an SSL certificate | by Manojkumar Vishwanath Gupta | Medium
Get "Could not load the resource directory: SSL connection failed for acme-v02.api.letsencrypt.org: SSL c onnect attempt failed error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed" when renewing on FileMaker Server 19 ...
Warning: file_get_contents(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed in Code Example
Get "Could not load the resource directory: SSL connection failed for acme-v02.api.letsencrypt.org: SSL c onnect attempt failed error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed" when renewing on FileMaker Server 19 ...
Solved] Error with fsockopen() and SSL, 'Failed to | 9to5Answer
python – certificate verify failed: unable to get local issuer certificate