NignX配置文件Nginx.conf详解

#user nobody; #使用哪个用户启动nginx 前面是用户,后面是组

worker_processes 1; #nginx工作的进程数量

#[ debug | info | notice | warn | error | crit ] 错误日志的级别及位置

#error_log logs/error.log;

#error_log logs/error.log notice;

#error_log logs/error.log info;

#pid logs/nginx.pid; #进程文件

#worker_rlimit_nofile 51200; #一个nginx进程打开的最多文件描述符数目，

#理论值应该是最多打开文件数（ulimit -n）与nginx进程数相除，但是nginx分配请求并不是那么均匀，

#所以最好与ulimit -n的值保持一致。

#工作模式及连接数上限

events {

#use [ kqueue | rtsig | epoll | /dev/poll | select | poll ];

worker_connections 1024; #每个进程最大连接数（最大连接=连接数x进程数）

}

#设定http服务器，利用它的反向代理功能提供负载均衡支持

http {

include mime.types; #设定mime类型

default_type application/octet-stream; #默认文件类型

#设定日志格式

#log_format main '$remote_addr - $remote_user [$time_local] "$request" '

# '$status $body_bytes_sent "$http_referer" '

# '"$http_user_agent" "$http_x_forwarded_for"';

#log_format download '$remote_addr - $remote_user [$time_local] '

# '"$request" $status $bytes_sent '

# '"$http_referer" "$http_user_agent" '

# '"$http_range" "$sent_http_content_range"';

#access_log logs/access.log main;

#charset gb2312,utf-8; #默认编码

#server_names_hash_bucket_size 128; #服务器名字的hash表大小

sendfile on; #开启高效文件传输模式

#以下两个选项用于防止网络阻塞

tcp_nopush on;

tcp_nodelay on;

#tcp_nopush 这个参数只有 sendfile on 的时候才有用。tcp_nodelay 只在 keepalive 连接状态中使用。

keepalive_timeout 65; #超时时间

client_max_body_size 20m; #上传文件大小限制

#设定请求缓冲

client_header_buffer_size 1k;

large_client_header_buffers 4 4k;

#开启gzip模块

#gzip on;

#gzip_min_length 1k; #最小压缩文件大小

#gzip_buffers 4 8k; #压缩缓冲区

#压缩类型,默认就已经包含text/html 所以下面就不用再写了,当然写上去的话,也不会有问题,但是会有一个warn

#gzip_types ext/plain application/x-javascript text/css text/html text/javascript application/xml;

#output_buffers 1 32k;

#postpone_output 1460;

#FastCGI是为了改善网站的性能－－减少资源占用，提高访问速度. 似乎只有php用得到

#fastcgi_connect_timeout 300;

#fastcgi_send_timeout 300;

#fastcgi_read_timeout 300;

#fastcgi_buffer_size 64k;

#fastcgi_buffers 4 64k;

#fastcgi_busy_buffers_size 128k;

#fastcgi_temp_file_write_size 128k;

#设定负载均衡的服务器列表

upstream localhost {

ip_hash; #每个ip给一个hash值,可以复制session,防止集群session丢失

server 127.0.0.1:8080 weight=5; #weigth参数表示权值，权值越高被分配到的几率越大

server 127.0.0.1:8081;

}

#虚拟主机的配置

server {

listen 80;

server_name localhost;

index index.html index.htm index.jsp;

#root /usr/local/tomcat/webapps/123;

charset utf-8; #字符编码

#设定本虚拟主机的访问日志

#access_log logs/host.access.log main;

#client_header_timeout 3m;

#client_body_timeout 3m;

#send_timeout 3m;

#sendfile on;

#tcp_nopush on;

#tcp_nodelay on;

#keepalive_timeout 65;

#对 访问动态服务器的地址 启用负载均衡

location ~ .(jsp|jspx|do|action|yo)?$ {

proxy_pass http://localhost;

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_max_body_size 10m; #上传文件大小限制

client_body_buffer_size 128k;

proxy_connect_timeout 90;

proxy_send_timeout 90;

proxy_read_timeout 90;

proxy_buffer_size 4k;

proxy_buffers 4 32k;

proxy_busy_buffers_size 64k;

proxy_temp_file_write_size 64k;

}

#以扩展名方式匹配静态文件

location ~ .*.(htm|html|gif|jpg|jpeg|png|bmp|ico|rar|css|js|zip|java|jar|txt|flv|swf|wma)$ {

root /usr/local/tomcat/webapps/123;

#expires 30d; #expires 指令来控制其在浏览器的缓存时间

}

#以目录方式匹配静态目录

location ~ ^/(images|styles|javascript)/ {

root /usr/local/www;

#expires 30d;

}

#设定查看Nginx状态的地址

location /NginxStatus {

stub_status on;

access_log on;

auth_basic "NginxStatus";

auth_basic_user_file conf/htpasswd;

}

#错误页面

#error_page 404 /404.html;

# redirect server error pages to the static page /50x.html

#

error_page 500 502 503 504 /50x.html;

location = /50x.html {

root html;

}

# proxy the PHP scripts to Apache listening on 127.0.0.1:80

#

#location ~ .php$ {

# proxy_pass http://127.0.0.1;

#}

# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000

#

#location ~ .php$ {

# root html;

# fastcgi_pass 127.0.0.1:9000;

# fastcgi_index index.php;

# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;

# include fastcgi_params;

#}

# deny access to .htaccess files, if Apache's document root

# concurs with nginx's one

#

#location ~ /.ht {

# deny all;

#}

}

# another virtual host using mix of IP-, name-, and port-based configuration

#

#server {

# listen 8000;

# listen somename:8080;

# server_name somename alias another.alias;

# location / {

# root html;

# index index.html index.htm;

# }

#}

# HTTPS server

#

#server {

# listen 443;

# server_name localhost;

# ssl on;

# ssl_certificate cert.pem;

# ssl_certificate_key cert.key;

# ssl_session_timeout 5m;

# ssl_protocols SSLv2 SSLv3 TLSv1;

# ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;

# ssl_prefer_server_ciphers on;

# location / {

# root html;

# index index.html index.htm;

# }

#}

}

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