P.S. /usr/local/nginx/sbin/nginx -V nginx version: nginx/0.8.50 built by gcc 4.4.3 (Ubuntu 4.4.3-4ubuntu5) TLS SNI support enabled configure arguments: --with-http_ssl_module директива ssl_client_certificate /etc/ssl/ca/cacert.pem; ситуацию не меняет Posted at Nginx Forum: http://forum.nginx.org/read.php?21,121698,131590#msg-131590