nginx.conf

server {
        listen 443 default_server ssl;

        root /var/www;
        index index.html index.htm index.php;

        error_log /var/log/nginx/testconfg.log debug;

        ssl on;
        ssl_certificate /etc/ssl/testconfg/certs/server.crt;
        ssl_certificate_key /etc/ssl/testconfg/private/server.key;
        ssl_client_certificate /etc/ssl/testconfg/certs/ca.crt;
        ssl_crl /etc/ssl/testconfg/private/ca.crl;
        ssl_verify_client on;

        ssl_session_timeout 5m;

        ssl_protocols SSLv3 TLSv1;
        ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv3:+EXP;
        ssl_prefer_server_ciphers on;

        location / {
...