内容概要:

一. nginx.conf 

vim /usr/local/nginx/conf/nginx.conf //清空原来的配置,加入如下内容:

user nobody nobody;
worker_processes 2;
error_log /usr/local/nginx/logs/nginx_error.log crit;
pid /usr/local/nginx/logs/nginx.pid;
worker_rlimit_nofile 51200;
events
{
    use epoll;
    worker_connections 6000;
}
http

{
    include mime.types;
    default_type application/octet-stream;
    server_names_hash_bucket_size 3526;
    server_names_hash_max_size 4096;
    log_format combined_realip '$remote_addr $http_x_forwarded_for [$time_local]'
    '$host "$request_uri" $status'
    '"$http_referer" "$http_user_agent"';
    sendfile on;
    tcp_nopush on;
    keepalive_timeout 30;
    client_header_timeout 3m;
    client_body_timeout 3m;
    send_timeout 3m;
    connection_pool_size 256;
    client_header_buffer_size 1k;
    large_client_header_buffers 8 4k;
    request_pool_size 4k;
    output_buffers 4 32k;
    postpone_output 1460;
    client_max_body_size 10m;
    client_body_buffer_size 256k;
    client_body_temp_path /usr/local/nginx/client_body_temp;
    proxy_temp_path /usr/local/nginx/proxy_temp;
    fastcgi_temp_path /usr/local/nginx/fastcgi_temp;
    fastcgi_intercept_errors on;
    tcp_nodelay on;
    gzip on;
    gzip_min_length 1k;
    gzip_buffers 4 8k;
    gzip_comp_level 5;
    gzip_http_version 1.1;
    gzip_types text/plain application/x-javascript text/css text/htm application/xml;

server

{
    listen 80;
    server_name localhost;
    index index.html index.htm index.php;
    root /usr/local/nginx/html;

    location ~ \.php$ {
        include fastcgi_params;
        fastcgi_pass unix:/tmp/php-fcgi.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME /usr/local/nginx/html$fastcgi_script_name;
    }
}
}



二. php-fpm.conf

vim   /usr/local/php/etc/php-fpm.conf     //把之前的内容清空,然后写入如下配置:

[global] 
pid = /usr/local/php/var/run/php-fpm.pid
error_log = /usr/local/php/var/log/php-fpm.log 
[www] 
listen = /tmp/php-fcgi.sock 
user = php-fpm 
group = php-fpm
listen.owner = nobody  //和后面的nginx的一致
listen.group = nobody // 同上
pm = dynamic 
pm.max_children = 50 
pm.start_servers = 20 
pm.min_spare_servers = 5 
pm.max_spare_servers = 35 
pm.max_requests = 500 
rlimit_files = 1024



配置多个pool

[global]
...
...
[]
...
...
...
[]
...
...
...



慢执行日志

slowlog = /path/to/slow.log
request_slowlog_timeout = 1

open_basedir
php_admin_value[open_basedir]=/data/www/:/tmp/



动态、静态子进程pm = static/dynamic
如果选择static,则由pm.max_children指定固定的子进程数。
如果选择dynamic,则由以下参数决定:
pm.max_children ,子进程最大数
pm.start_servers ,启动时的进程数
pm.min_spare_servers ,保证空闲进程数最小值,如果空闲进程小于此值,则创建新的子进程
pm.max_spare_servers ,保证空闲进程数最大值,如果空闲进程大于此值,此进行清理
对于专用服务器,pm可以设置为static。

三. nginx高级配置

1. 配置第二个虚拟主机
可以在nginx.conf 加一行
include  vhosts/*.conf;  
这样,我们就可以在 /usr/local/nginx/conf/vhosts目录下创建虚拟主机配置文件了。

mkdir  /usr/local/nginx/conf/vhosts
cd !$
vim  111.conf   // 加入
server

{
    listen 80;
    server_name 11;
    index index.html index.htm index.php;
    root /data/www2;

    location ~ \.php$ {
        include fastcgi_params;
        fastcgi_pass unix:/tmp/php-fcgi.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME /data/www2$fastcgi_script_name;
    }
}


2. 验证默认虚拟主机

listen       80 default_server;



3. 用户认证
首先需要安装apache,可以使用yum install httpd 安装
生成密码文件,创建用户
htpasswd -c /usr/local/nginx/conf/htpasswd  test // 添加test用户,第一次添加时需要加-c参数,第二次添加时不需要-c参数
在nginx的配置文件中添加

location  / {
                      root /data/www/wwwroot/count;
                      auth_basic              "Auth";
                      auth_basic_user_file   /usr/local/nginx/conf/htpasswd;
            }



4. 域名重定向

server_name    www.;    if ($host != 'www.' ) {        rewrite  ^/(.*)$  http://www./$1  permanent;    }



5. 日志切割:
编写脚本:

vim  /usr/local/sbin/  //加入

#! /bin/bash
datedir=`date +%Y%m%d`
/bin/mkdir  /home/logs/$datedir >/dev/null 2>&1
/bin/mv /home/logs/*.log /home/logs/$datedir
/bin/kill -HUP `cat /var/run/nginx.pid`



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 main1 '$proxy_add_x_forwarded_for - $remote_user [$time_local] ' 
                      '"$request" $status $body_bytes_sent '
                      '"$http_referer" "$http_user_agent"';  //此日志格式为,ip不仅记录代理的ip还记录远程客户端真实IP。




错误日志error_log日志级别 

error_log 级别分为 debug, info, notice, warn, error, crit  默认为crit, 该级别在日志名后边定义格式如下:
error_log  /your/path/error.log crit;  
crit 记录的日志最少,而debug记录的日志最多。如果你的nginx遇到一些问题,比如502比较频繁出现,但是看默认的error_log并没有看到有意义的信息,那么就可以调一下错误日志的级别,当你调成error级别时,错误日志记录的内容会更加丰富。

6. 静态文件不记录日志,配置缓存
 

location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
        {
                expires      30d;
                access_log off;
        }

        location ~ .*\.(js|css)$
        {
                expires      12h;
                access_log off;
        }




7. 防盗链
在 nginx.conf中的server部分中添加如下代码 

location ~* ^.+\.(gif|jpg|png|swf|flv|rar|zip|doc|pdf|gz|bz2|jpeg|bmp|xls)$ {   
                valid_referers none blocked server_names  *.taobao.com *.baidu.com *. *.google.cn *.soso.com ;  // 对这些域名的网站不进行盗链。
                if ($invalid_referer) {
#                        return 403;
                        rewrite ^/ http://www.example.com/nophoto.gif;
                        }
                }
说明:如果前面配置中已经加了                 location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
                         {
                                 expires      30d;
                                 access_log off;
                         }


那么会和这一部分重复,这时候上面的生效,所以,我们需要把两者合在一起。如下:

location ~* ^.+\.(gif|jpg|png|swf|flv|rar|zip|doc|pdf|gz|bz2|jpeg|bmp|xls)$ 
{
         expires 30d;  
         valid_referers none blocked server_names  *.taobao.com *.baidu.com *. *.google.cn *.soso.com ;  // 对这些域名的网站不进行盗链。
         if ($invalid_referer) {
#               return 403;
                  rewrite ^/ http://www.example.com/nophoto.gif;          }
          access_log off;
}


8. 访问控制
限制只让某个ip访问 
    allow          219.232.244.234;
    deny           all;

禁止某个IP或者IP段访问站点的设置方法

首先建立下面的配置文件放在nginx的conf目录下面,命名为deny.ip   
cat  deny.ip
deny 192.168.1.11;
deny 192.168.1.123;
deny 10.0.1.0/24;

在nginx的配置文件nginx.conf中加入:
include deny.ip; 

重启一下nginx的服务:/usr/local/nginx/sbin/nginx  reload 就可以生效了。 

deny.ip 的格式中也可以用deny all; 
如果你想实现这样的应用,除了几个IP外,其他全部拒绝,
那需要你在deny.ip 中这样写
allow 1.1.1.1; 
allow 1.1.1.2;
deny all;

有时候会根据目录来限制php解析:

location ~ .*(diy|template|p_w_uploads|forumdata|p_w_upload|p_w_picpath)/.*\.php$ 
{
        deny all;
}




使用 user_agent 控制客户端访问 

location / 
{
    if ($http_user_agent ~ 'bingbot/2.0|MJ12bot/v1.4.2|Spider/3.0|YoudaoBot|Tomato|Gecko/20100315'){
            return 403;
    }
}


9  nginx 代理

server {
            listen 80;
            server_name aa;

            location / {
                proxy_pass      http://2.2.2.2/;                proxy_set_header Host   $host;
                proxy_set_header X-Real-IP      $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            }
#            access_log  /home/logs/aaa_access.log combined;
        }



如果后端的机器有多台

upstream bbb
{
            server  1.2.3.1:80;
            server  1.2.3.4:80;
}

server {
        listen 80;
        server_name ;

        location / {
                proxy_pass      http://bbb/;
                proxy_set_header Host   $host;
                proxy_set_header X-Real-IP      $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
#            access_log  /home/logs/bb_access.log combined;
}



代理一个服务器上所有域名 
首先在vhosts目录下需要建立两个文件,一个是servername 列表文件,一个是虚拟主机配置文件
两个文件内容分别为
(1) servername

server_name www.123.net.cn     ;  //就这么简单一行,当然这个server_name 还可以继续添加的



(2) 虚拟主机配置文件

server {
            listen 80;
            include vhosts/servername; // 这里的文件就是上边那个servername列表文件
            location / {
                proxy_pass     http://1.2.1.2/;  //这里就是需要做代理的服务器ip地址了
                proxy_set_header Host   $host;
                proxy_set_header X-Real-IP      $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            }
            access_log  /dev/null; 
        }


论坛配置实例


server
{
    listen 80;
    server_name   ;

#域名跳转   
   if ($host != '' ) {
        rewrite  ^/(.*)$  http:///$1  permanent;
    }
    index index.html index.htm index.php;
    root /data/www;

#    location  /uc_server/ {
#          auth_basic              "Auth";
#          auth_basic_user_file   /usr/local/nginx/conf/.htpasswd;
#    }

#黑名单
#    deny 127.0.0.1;
#    allow all;
#白名单
#    allow 127.0.0.1;
#    allow 192.168.31.141;
#    deny all;


#某个目录下限制ip
    location /uc_server/ {
        allow 192.168.31.0/24;
        deny all;
        location ~ \.php$ {
            include fastcgi_params;
            fastcgi_pass 127.0.0.1:9000;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME /data/www$fastcgi_script_name;
        }
    }

#针对目录限制php解析
    location ~ .*(diy|template|p_w_uploads|forumdata|p_w_upload|p_w_picpath)/.*\.php$
    {
        deny all;
    }

#根据user_agent控制
    if ($http_user_agent ~ 'bingbot/2.0|MJ12bot/v1.4.2|Spider/3.0|YoudaoBot|Tomato|Gecko/20100315'){
            return 403;
    }

    location ~ \.php$ {
        include fastcgi_params;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME /data/www$fastcgi_script_name;
    }

#缓存时间
#    location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
#    {
#          expires      30d;
#          access_log off;
#    }

    location ~ .*\.(js|css)?$
    {
          expires      12h;
          access_log off;
    }

#防盗链
    location ~* ^.+\.(gif|jpg|png|swf|flv|rar|zip|doc|pdf|gz|bz2|jpeg|bmp|xls)$ {
         expires 10d;
         valid_referers none blocked server_names *. *. *. *.baidu.com\
         *. *.google.cn *.soso.com ;
         if ($invalid_referer) {
              return 403;
              #rewrite ^/ http://www.example.com/nophoto.gif;
         }
         access_log off;
    }

# 伪静态rewrite规则
    rewrite ^([^\.]*)/topic-(.+)\.html$ $1/portal.php?mod=topic&topic=$2 last;
    rewrite ^([^\.]*)/forum-(\w+)-([0-9]+)\.html$ $1/forum.php?mod=forumdisplay&fid=$2&page=$3 last;
    rewrite ^([^\.]*)/thread-([0-9]+)-([0-9]+)-([0-9]+)\.html$ $1/forum.php?mod=viewthread&tid=$2&extra=page%3D$4&page=$3 last;
    rewrite ^([^\.]*)/group-([0-9]+)-([0-9]+)\.html$ $1/forum.php?mod=group&fid=$2&page=$3 last;
    rewrite ^([^\.]*)/space-(username|uid)-(.+)\.html$ $1/home.php?mod=space&$2=$3 last;
    rewrite ^([^\.]*)/(fid|tid)-([0-9]+)\.html$ $1/index.php?action=$2&value=$3 last;

#docment_uri
#    if ($document_uri !~ 'abc')
#    {
#           rewrite ^/(.*)$ /abc/$1 redirect;
#    }


    access_log /home/logs/discuz.log combined_realip;
}


转载于:https://blog.51cto.com/superleedo/1890327