Hello AppDynamics Support, We are experiencing a persistent issue integrating the PHP Agent on a Red Hat 9.5 server running PHP 8.3. Below are the technical details and steps we've already taken.    Technical Information PHP Agent version: 24.11.0.1340 PHP version: 8.3 OS: Red Hat Enterprise Linux 9.5 Apache MPM: event Controller:xxx:443 HTTP Proxy: xxx:3128    Problem Description The agent initializes properly and correctly detects all necessary settings (controller host, account name, node, etc.). However, the following error is always present in the logs: [config.ConfigChannel] could not send config request This prevents the agent from registering or communicating with the controller.   Troubleshooting Steps Already Taken controller-info.xml file is valid and in place DNS resolution of the controller is working HTTPS connection via proxy tested and successful SSL certificate is valid Ports (443) are open and reachable via proxy Apache/PHP-FPM restarted cleanly   ... View more