people please help me, I can not run Nginx

root@servidor [~]# proxy_passRestarting nginx daemon: nginxnginx: [emerg] "proxy_pass" directive is not allowed here in /etc/nginx/nginx.conf:45

user nobody; # no need for more workers in the proxy mode worker_processes 1; error_log /var/log/nginx/error.log info; worker_rlimit_nofile 20480; events { worker_connections 5120; # increase for busier servers use epoll; # you should use epoll here for Linux kernels 2.6.x } http { server_name_in_redirect off; server_names_hash_max_size 2048; server_names_hash_bucket_size 256; include mime.types; default_type application/octet-stream; server_tokens off; sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 60; gzip on; gzip_vary on; gzip_disable "MSIE [1-6]\."; gzip_proxied any; gzip_http_version 1.1; gzip_min_length 0; gzip_comp_level 6; gzip_buffers 16 8k; # You can remove image/png image/x-icon image/gif image/jpeg if you have slow CPU gzip_types text/plain text/xml text/css application/x-javascript application/xml image/png image/x-icon image/gif image/jpeg application/xml+rss text/javascript application/atom+xml; ignore_invalid_headers on; client_header_timeout 3m; client_body_timeout 3m; send_timeout 3m; reset_timedout_connection on; connection_pool_size 256; client_header_buffer_size 256k; large_client_header_buffers 4 256k; client_max_body_size 4M; client_body_buffer_size 128k; request_pool_size 32k; output_buffers 4 32k; postpone_output 1460; proxy_temp_path /tmp/nginx_proxy/; proxy_pass http://127.0.0.1:8081; proxy_set_header Host \$host; proxy_set_header X-Real-IP \$remote_addr; proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for; client_body_in_file_only on; log_format bytes_log "$msec $bytes_sent ."; include "/etc/nginx/vhosts/*"; }

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,204998,204998#msg-204998