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如何在CloudFlare下Nginx实现访客真实IP网站日志?

进阶的小熊 125

前言:

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做英文内容站套上Cloudflare CDN既可以加快访问速度又可以避免被攻击。可是如果需要通过网站日志分析蜘蛛来访,是否被采集、被攻击等情况,但日志上全部都是CDN(cloudflare)节点的 IP。那么在用CDN加速的同时,如何获取访客真实IP并记录到日志上呢?

查看CloudFlare官方文档《Restoring original visitor IPs: Logging visitor IP addresses》,在这种情况下可以通过nginx的realip模块来获取用户的IP,这里以cloudflare和lnmp一键包为例。

1、为nginx添加with-http_realip_module模块

修改lnmp.conf文件,并且升级nginx即可。

cd /root/lnmp1.7vi lnmp.conf

在lnmp.conf添加–with-http_realip_module,如下。

Nginx_Modules_Options='--with-http_realip_module'

升级nginx

./upgrade.sh nginx

在 查看版本,然后输入合适的版本。

等待升级完成即可。

2、设置nginx配置

修改网站的配置文件

/usr/local/nginx/conf/nginx.conf

在server后面的http{}中添加如下内容

set_real_ip_from 103.21.244.0/22;set_real_ip_from 103.22.200.0/22;set_real_ip_from 103.31.4.0/22;set_real_ip_from 104.16.0.0/12;set_real_ip_from 108.162.192.0/18;set_real_ip_from 131.0.72.0/22;set_real_ip_from 141.101.64.0/18;set_real_ip_from 162.158.0.0/15;set_real_ip_from 172.64.0.0/13;set_real_ip_from 173.245.48.0/20;set_real_ip_from 188.114.96.0/20;set_real_ip_from 190.93.240.0/20;set_real_ip_from 197.234.240.0/22;set_real_ip_from 198.41.128.0/17;set_real_ip_from 2400:cb00::/32;set_real_ip_from 2606:4700::/32;set_real_ip_from 2803:f800::/32;set_real_ip_from 2405:b500::/32;set_real_ip_from 2405:8100::/32;set_real_ip_from 2c0f:f248::/32;set_real_ip_from 2a06:98c0::/29;real_ip_header CF-Connecting-IP;real_ip_recursive on;

重载nginx配置生效:

/usr/local/nginx/sbin/nginx -s reload

以下是nginx.conf例子文件

user  www www;worker_processes auto;worker_cpu_affinity auto;error_log  /home/wwwlogs/nginx_error.log  crit;pid        /usr/local/nginx/logs/nginx.pid;#Specifies the value for maximum file descriptors that can be opened by this process.worker_rlimit_nofile 51200;events    {        use epoll;        worker_connections 51200;        multi_accept off;        accept_mutex off;    }http    {        include       mime.types;        default_type  application/octet-stream;        server_names_hash_bucket_size 128;        client_header_buffer_size 32k;        large_client_header_buffers 4 32k;        client_max_body_size 50m;        sendfile on;        sendfile_max_chunk 512k;        tcp_nopush on;        keepalive_timeout 60;        tcp_nodelay on;        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 256k;        gzip on;        gzip_min_length  1k;        gzip_buffers     4 16k;        gzip_http_version 1.1;        gzip_comp_level 2;        gzip_types     text/plain application/javascript application/x-javascript text/javascript text/css application/xml application/xml+rss;        gzip_vary on;        gzip_proxied   expired no-cache no-store private auth;        gzip_disable   "MSIE [1-6]\.";        #limit_conn_zone $binary_remote_addr zone=perip:10m;        ##If enable limit_conn_zone,add "limit_conn perip 10;" to server section.        server_tokens off;        access_log off;				set_real_ip_from 103.21.244.0/22;        set_real_ip_from 103.22.200.0/22;        set_real_ip_from 103.31.4.0/22;        set_real_ip_from 104.16.0.0/12;        set_real_ip_from 108.162.192.0/18;        set_real_ip_from 131.0.72.0/22;        set_real_ip_from 141.101.64.0/18;        set_real_ip_from 162.158.0.0/15;        set_real_ip_from 172.64.0.0/13;        set_real_ip_from 173.245.48.0/20;        set_real_ip_from 188.114.96.0/20;        set_real_ip_from 190.93.240.0/20;        set_real_ip_from 197.234.240.0/22;        set_real_ip_from 198.41.128.0/17;        set_real_ip_from 2400:cb00::/32;        set_real_ip_from 2606:4700::/32;        set_real_ip_from 2803:f800::/32;        set_real_ip_from 2405:b500::/32;        set_real_ip_from 2405:8100::/32;        set_real_ip_from 2c0f:f248::/32;        set_real_ip_from 2a06:98c0::/29;        real_ip_header CF-Connecting-IP;        real_ip_recursive on;server    {        listen 80 default_server reuseport;        #listen [::]:80 default_server ipv6only=on;        server_name _;        index index.html index.htm index.php;        root  /home/wwwroot/default;        #error_page   404   /404.html;        # Deny access to PHP files in specific directory        #location ~ /(wp-content|uploads|wp-includes|images)/.*\.php$ { deny all; }        location /lua        {            default_type text/html;            content_by_lua 'ngx.say("hello world")';        }        include enable-php.conf;        location /nginx_status        {            stub_status on;            access_log   off;        }        location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$        {            expires      30d;        }        location ~ .*\.(js|css)?$        {            expires      12h;        }        location ~ /.well-known {            allow all;        }        location ~ /\.        {            deny all;        }        access_log  /home/wwwlogs/access.log;    }include vhost/*.conf;

标签: #nginx xrealip