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本文梳理了Nginx在做反向代理時常用的核心配置，所有細節可以參考官網http://nginx.org/，我這里主要起到穿針引線的作用。

本文主要涉及了如下模塊：
ngx_http_core_module
ngx_htpp_access_module
ngx_http_geo_module
ngx_http_map_module
ngx_http_index_module
ngx_http_log_module
ngx_http_perl_module
ngx_http_rewrite_module
ngx_http_ssi_module
ngx_http_ssl_module
ngx_http_upstream_module
ngx_http_proxy_module
ngx_http_limit_conn_module
ngx_http_limit_req_module
ngx_stream_core_module
ngx_stream_proxy_module
ngx_upstream_module
第三方模塊如下：
redis2-nginx-module
redis-nginx-module
srcache-nginx-module
nginx-upsync-module

一、跳轉

利用ngx_http_core_module、ngx_http_rewrite_module模塊
主要是301跳轉
Return寫法：域名http請求跳轉到對應的https請求

 server
  {
     listen   80;
    server_name www.test.com;
    index index.html index.htm index.shtml;
    location / {
          return      301 https://$host$request_uri;
   }
    access_log  /data/wwwlogs/access_www.test.com.log  access;
}

Rewrite寫法：rewrite寫法比較靈活可以調整路徑，但沒有return高效

server
{
    listen   80;
    server_name www.test.com;
    index index.html index.htm index.shtml;
    location ~* ^/(meinv|huodong|zhuanti)/(.*)$  {
        rewrite  ^/(meinv|huodong|zhuanti)/(.*)$   http://oldwww.test.com/$1/$2 permanent;
    }
    location / {
        proxy_pass http://www_test_com;
    }
    access_log  /data/wwwlogs/access_www.test.com.log  access;
}
upstream www_test_com {
        server 192.168.88.188:80;
        server 192.168.88.189:80;
}

二、重寫代理

利用ngx_http_proxy_module、ngx_http_upstream_module模塊

server
{
    listen 80;
    server_name www.test.com;
    index index.html index.htm index.shtml;
    location ~* /api/ {
         rewrite /api/(.*)$ /api/$1 break;
         proxy_set_header Host  apiwww.test.com;
         proxy_set_header X-Real-IP  $remote_addr;
         proxy_set_header        X_FORWARDED_FOR $proxy_add_x_forwarded_for;
         proxy_set_header        VIA     111.111.111.111;
         proxy_pass http://www_test_com_api;
     }
    access_log  /data/wwwlogs/access_www.test.com.log  access;
}
upstream www_test_com_api {
        server 192.168.88.188:80;
        server 192.168.88.189:80;
}

三、限速限連接

利用ngx_http_limit_conn_module、ngx_http_limit_req_module模塊
首先http區域里面定義好限速限制連接數策略，再在線上具體域名上使用
Http區域配置如下：

map $http_x_forwarded_for  $clientRealIpnormal {
    ""  $remote_addr;
    ~^(?P<firstAddr>[0-9\.]+),?.*$  $firstAddr;
}
map $http_http_cdn_src_ip $clientRealIp{
    ""   $clientRealIpnormal;
    default $http_http_cdn_src_ip;
}
geo  $clientRealIp  $white_ip  {
default 1;
include geo.conf;
}
map $white_ip $limited {
        1  $clientRealIp;
        0  "";
 }

limit_req_status 418;
limit_conn_status 418;

limit_conn_zone $limited zone=addr:200m;
limit_req_zone  $limited zone=zero1:20m rate=1r/s;
limit_req_zone  $limited zone=zero2:20m rate=2r/s;
limit_req_zone  $limited zone=zero:20m rate=3r/s;
limit_req_zone  $limited zone=one:20m rate=10r/s;
limit_req_zone  $limited zone=two:20m rate=20r/s;
limit_req_log_level info;
limit_conn_log_level info;

線上域名開啟配置如下：

server
{
    listen   80;
    server_name www.test.com;
    index index.html index.htm index.shtml;
    location / {
          limit_req zone=two burst=5 nodelay;
          limit_conn  addr 20;
          proxy_pass http://www_test_com;
    }
    access_log  /data/wwwlogs/access_www.test.com.log  access;
}
upstream www_test_com {                      
        server 192.168.88.188:80;
        server 192.168.88.189:80;
}

四、屏蔽IP

1、方法一
使用ngx_http_access_module模塊allow、deny控制，缺點是通過remote_addr來屏蔽IP的，優點是支持CIDR等格式地址

allow 111.111.111.111;
allow 192.168.88.0/24;
deny all;

2、方法二
用于自定義客戶端IP變量$clientRealIp來屏蔽，缺點IP需要寫成正則形式的，優點是支持IP穿透，過CDN的域名這種方法才能生效

if ($clientRealIp ~ "(183.60.189.195|182.10.18.135)")
{
        return 403;
}

3、方法三
自定義屏蔽IP，結合Elasticsearch查詢異常IP可自動化屏蔽IP

  set $clientipfileurl  "/usr/local/nginx/html/blockip/$host/$clientRealIp";
  if ( -f  $clientipfileurl) {
    return 403 "Your IP address $clientRealIp is too frequent, please try again later or contact the webmaster, thank you!";
  }

五、屏蔽URL

1、方法一
自動屏蔽，結合Elasticsearch查詢異常URL，可自動化屏蔽URL

set $fileurl  "/usr/local/nginx/html/blockurl/$host/$uri";
if ( -f  $fileurl) {
    return 403 "This url $host$uri is too frequent, please try again later or contact the webmaster, thank you!";
 }

2、方法二
手動屏蔽，當某個目錄或者URL影響到全站訪問時可以手動屏蔽

location ~* ^/mbw/xoxo/123456789/ {
    return 403;
}

六、SSI包含

利用ngx_http_ssi_module模塊
開啟ssi后，include與ushtml代理到ssi服務器

server
{
    listen   80;
    server_name www.test.com;
    index index.html index.htm index.shtml;
        ssi on;
        ssi_silent_errors off;
        ssi_types text/shtml;
    location ~* ^/(include|ushtml)  {
        proxy_pass http://www_test_com_include;
    }
    location / {
        proxy_pass http://www_test_com;
    }
    access_log  /data/wwwlogs/access_www.test.com.log  access;
}
upstream www_test_com {                      
        server 192.168.88.188:80;
        server 192.168.88.189:80;
}
upstream www_test_com_include {
        server 192.168.88.11:80;
        server 192.168.88.12:80;
}

七、Srcache配置

該架構是給論壇做帖子緩存的，注意只能緩存帖子，目錄不能緩存是openresty +srcache+reids2-nginx-module組成：入口是openresty，緩存是codis集群，上游服務器是iis源站
其中http區域配置為刪除過期key，更新key的作用，由新第維護lua腳本，配置如下：

http {
    server {
        listen       80;
        server_name  www.test.com;
        allow  192.168.88.0/24;
        allow  192.168.188.0/24;
        deny all;
        location ~ /delkey/(.*) {
                internal;
                set $redis_key $1;
                redis2_query del $redis_key;
                redis2_pass redis_server;
        }
    }
    include proxy.conf;
    include vhosts_all/*.conf;
}

具體源站配置，放在vhost下，目前只有www.test.com域名，配置如下：

upstream www_test_com {                      
        server 192.168.88.188:80;
        server 192.168.88.189:80;
}

server {
      listen       80;
      server_name  www.test.com;
      more_clear_headers  "X-AspNet-Version";
      more_clear_headers  "X-Powered-By";
      location / {
        default_type text/html;
        srcache_methods GET;
        srcache_response_cache_control on;
        srcache_store_statuses 200;
        srcache_store_max_size 1024000;
        set $key $host$uri;
        set_escape_uri $escaped_key $key;
        srcache_fetch GET /redis_get $key;
        srcache_default_expire 0;
        srcache_max_expire 1h;
        srcache_store PUT /redis_set 
        key=$escaped_key&exptime=$srcache_expire;
        add_header X-Cached-From $srcache_fetch_status;
        add_header X-Cached-Store $srcache_store_status;
        add_header X-Key $key;
        add_header X-Query_String $query_string;
        add_header X-expire $srcache_expire;
        access_log /data/wwwlogs/access_www.test.com-redis.log srcache_log;
        proxy_pass http://www_test_com;

     }
     location = /redis_get {
             internal;
             set $redis_key $args;
             redis_pass redis_server;
     }
     location = /redis_set {
             internal;
             set_unescape_uri $exptime $arg_exptime;
             set_unescape_uri $key $arg_key;
              redis2_query set $key $echo_request_body;
             redis2_query expire $key $exptime;
             redis2_pass redis_server;
     }
 }

八、Upsync配置

該項目是動態上下負載，架構為nginx+nginx-upsync-module+consul，配置文件只需要對具體域名進行修改，如下:

server
{
    listen 80;
    server_name www.test.com;
    index index.html index.htm index.shtml;
    location / {
        proxy_pass http://www_test_com;
    }
    location = /upstream_show {
        upstream_show;
    }
    access_log  /data/wwwlogs/access_www.test.com.log  access;
}
upstream www_test_com {
    upsync 192.168.88.58:8500/v1/kv/upstreams/www.test.com/ upsync_timeout=6m upsync_interval=500ms upsync_type=consul strong_dependency=off;
    upsync_dump_path /usr/local/nginx/conf/servers/dump_www.test.com.conf;
    include /usr/local/nginx/conf/servers/include_www.test.com.conf;
}

九、Websock配置

Websock協議為ws，如果還需要添加ssl支持，協議為https正常添加證書就行，websock支持長連接。

server
{
    listen 80;
    server_name www.test.com;
    index index.html index.htm index.shtml;
    location / {
            proxy_pass http://olc_yiche_com;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
            proxy_read_timeout 28800;
            proxy_redirect    off;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP        $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     }
}
map $http_upgrade $connection_upgrade {
        default upgrade;
        ''      close;
}

upstream www_test_com {                      
        server 192.168.88.188:80;
        server 192.168.88.189:80;
}

十、其他

1、只允許POST請求

location ~* /hd/api/prizehandler.ashx {
    if ($request_method = GET ) {
        return 403;
        }
        proxy_method POST; 
    proxy_pass http://apiwww_test_com;
}

2、禁止Agent

if ($http_user_agent ~* "(python-requests|Java/1.8.0_40|Java/1.0.0_07|Java/1.7.0_67|Mac OS X 10_7_5|Iceweasel|curl|spider|ChinaCache)") 
{ 
       return 403; 
}

3、設置過期時間

location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|js|css)$
{ 
       expires      30d;
       proxy_pass http://image_test_com;
}

4、設置權限

location / {
       auth_basic "Please input Username and Password";
       auth_basic_user_file /usr/local/nginx/conf/.pass_file;
}

5、rewrite忽略大小寫

rewrite (?i)^/newsimg_(\d+)x(\d+)/(.*)$ /videoimgnew.php?w=$1&h=$2&dir=$3 break;

6、404冗余

方法一
通過$request_filename判斷

if ( !-f $request_filename ){
     proxy_pass http://image_test_com;
     break;
}

方法二
if判斷效率比較低，可以使用try_files

location / {
    try_files $uri @backend;
}
location @backend {
     proxy_pass http://image_test_com;
}

方法三
通過error_page功能

location / {
        error_page 404 500 = @fallback;
        proxy_pass http://image_test_com;
    }
location @fallback {
     proxy_pass http://imagebak_test_com;
}

7、url大小寫轉換

http區域配置如下

   perl_set $url ' 
   sub {
   my $r = shift;
   my $re = lc($r->uri);
   return $re;
   } ';

域名server區域配置如下

    if ($uri ~ [A-Z])
    {
      rewrite ^(.*)$  $url last;
    }

8、支持跨域

字體支持所有域名跨域調用，某些客戶端可能支持的不太友好

location ~* /topics/iconfont/
    {
           add_header Access-Control-Allow-Origin *;
}

9、SSL支持

該域名配置同時支持http與https，配置如下：

server
{
    listen 80;
    listen 443 ssl;
    server_name zhongce.m.yiche.com;
    index index.html index.htm index.shtml;
        ssl_certificate             globalsignssl/server.cer;
        ssl_certificate_key      globalsignssl/server.key;
        ssl_prefer_server_ciphers   on;
        ssl_ciphers "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
        ssl_protocols               TLSv1.3 TLSv1.2 TLSv1.1 TLSv1;
        ssl_session_cache           shared:SSL:10m;
        ssl_session_timeout         60m;
    location / {
         proxy_pass http://www_test_com;
     }
}

10、tcp負載

需要開啟stream模塊，如果要支持ssl，需要開啟stream_ssl模塊
http區域配置如下：

cat /usr/local/nginx/conf/nginx.conf
user  www www;
worker_processes  auto;
worker_cpu_affinity auto;
error_log  logs/error.log  error;
pid        logs/nginx.pid;
worker_rlimit_nofile 409600;
events
{
  use epoll;
  worker_connections 409600;
}
stream {

log_format basic '$remote_addr [$time_local] '
                 '$protocol $status $bytes_sent $bytes_received '
                 '$session_time';

log_format proxy '$remote_addr [$time_local] '
                 '$protocol $status $bytes_sent $bytes_received '
                 '$session_time "$upstream_addr" '
                 '"$upstream_bytes_sent" "$upstream_bytes_received" "$upstream_connect_time"';

include tcpupstream/*.conf;
}

tcp負載配置如下：
cat /usr/local/nginx/conf/tcpupstream/test12306.conf

upstream test_12306 {
        server 192.168.88.21:12306;
        server 192.168.88.22:12306;
 }
server {
        listen 12306;
        proxy_connect_timeout 10s;
        proxy_timeout 30s;
        proxy_pass test_12306;
        access_log /data/wwwlogs/access_test12306.log proxy;
}

三个男躁一个女,国精产品一区一手机的秘密,麦子交换系列最经典十句话,欧美国产综合欧美视频

Nginx反向代理負載均衡配置梳理大全

Nginx反向代理負載均衡配置梳理大全

本文梳理了Nginx在做反向代理時常用的核心配置，所有細節可以參考官網http://nginx.org/，我這里主要起到穿針引線的作用。

一、跳轉

二、重寫代理

三、限速限連接

四、屏蔽IP

五、屏蔽URL

六、SSI包含

七、Srcache配置

八、Upsync配置

九、Websock配置

十、其他

1、只允許POST請求

2、禁止Agent

3、設置過期時間

4、設置權限

5、rewrite忽略大小寫

6、404冗余

7、url大小寫轉換

8、支持跨域

9、SSL支持

10、tcp負載

三个男躁一个女,国精产品一区一手机的秘密,麦子交换系列最经典十句话,欧美 国产 综合 欧美 视频

Nginx反向代理負載均衡配置梳理大全

本文梳理了Nginx在做反向代理時常用的核心配置，所有細節可以參考官網http://nginx.org/，我這里主要起到穿針引線的作用。

一、跳轉

二、重寫代理

三、限速限連接

四、屏蔽IP

五、屏蔽URL

六、SSI包含

七、Srcache配置

八、Upsync配置

九、Websock配置

十、其他

1、只允許POST請求

2、禁止Agent

3、設置過期時間

4、設置權限

5、rewrite忽略大小寫

6、404冗余

7、url大小寫轉換

8、支持跨域

9、SSL支持

10、tcp負載

三个男躁一个女,国精产品一区一手机的秘密,麦子交换系列最经典十句话,欧美国产综合欧美视频