* modules/ssl/ssl_engine_kernel.c (ssl_hook_Access_modern): Fail with 403 if SSL_verify_client_post_handshake() fails, e.g. when the TLS/1.3 client didn't send the Post-Handshake Authentication extension.
httpd/httpd/trunk/docs/log-message-tags/next-number
httpd/httpd/trunk/modules/ssl/ssl_engine_kernel.c