先来说说为啥要写这篇文章，之前看了下 Nginx 的访问日志，发现每天有好多国外的 IP 地址来访问我的网站，并且访问的内容基本上都是恶意的。因此我决定禁止国外 IP 来访问我的网站。①安装 geoip2 扩展依赖： [root@fxkj ~]# yum install libmaxminddb-devel -y②下载 ngx_http_geoip2_module 模块： [root@fxkj tmp]# git clone https://github.com/leev/ngx_http_geoip2_module.git
[ro tmp]#③解压模块到指定路径 [root@fxkj tmp]# mv ngx_http_geoip2_module/ /usr/local/
[root@fxkj local]# ll ngx_http_geoip2_module/
total 60
-rw-r--r-- 1 root root 1199 Aug 13 17:20 config
-rw-r--r-- 1 root root 1311 Aug 13 17:20 LICENSE
-rw-r--r-- 1 root root 23525 Aug 13 17:20 ngx_http_geoip2_module.c
-rw-r--r-- 1 root root 21029 Aug 13 17:20 ngx_stream_geoip2_module.c
-rw-r--r-- 1 root root 3640 Aug 13 17:20 README.md④安装 nginx 模块 [root@fxkj ~]# yum install libmaxminddb-devel -y升级 nginx，添加 nginx 模块，只需要编译，然后 make。不需要 make instll，不然线上的 nginx 会被新版本 nginx 完完整整的替换掉。 编译前需要看下 nginx 当前安装了哪些模块。 [root@fxkj tmp]# /usr/local/nginx/sbin/nginx -V
nginx version: nginx/1.16.0
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC)
built with OpenSSL 1.0.2k-fips 26 Jan 2017
TLS SNI support enabled
configure arguments: –with-http_stub_status_module –prefix=/usr/local/nginx –user=nginx –group=nginx –with-http_ssl_module –with-stream[root@fxkj tmp]# tar -xf nginx-1.18.0.tar.gz
[root@fxkj tmp]# cd nginx-1.18.0/
[root@fxkj nginx-1.18.0]# ./configure --with-http_stub_status_module \
--prefix=/usr/local/nginx \
--user=nginx --group=nginx --with-http_ssl_module --with-stream \
--add-module=/usr/local/ngx_http_geoip2_module
[root@fxkj nginx-1.18.0]# make
[root@fxkj nginx-1.18.0]# cp /usr/loca/nginx/sbin/nginx /usr/loca/nginx/sbin/nginx1.16 #备份
[root@fxkj nginx-1.18.0]# cp objs/nginx /usr/local/nginx/sbin/ #用新的去覆盖旧的
[root@fxkj nginx-1.18.0]# pkill nginx #杀死nginx
[root@fxkj nginx-1.18.0]# /usr/local/nginx/sbin/nginx #再次启动Nginx[root@fxkj nginx-1.18.0]# /usr/local/nginx/sbin/nginx -V
nginx version: nginx/1.18.0
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC)
built with OpenSSL 1.0.2k-fips 26 Jan 2017
TLS SNI support enabled
configure arguments: –with-http_stub_status_module –prefix=/usr/local/nginx –user=nginx –group=nginx –with-http_ssl_module –with-stream –add-module=/usr/local/ngx_http_geoip2_module⑤下载最新的 IP 地址数据库文件 [root@fxkj local]# cd /usr/share/GeoIP/
[root@fxkj GeoIP]# ll
total 69612
lrwxrwxrwx. 1 root root 17 Mar 7 2019 GeoIP.dat -> GeoIP-initial.dat
-rw-r--r--. 1 root root 1242574 Oct 30 2018 GeoIP-initial.dat
lrwxrwxrwx. 1 root root 19 Mar 7 2019 GeoIPv6.dat -> GeoIPv6-initial.dat
-rw-r--r--. 1 root root 2322773 Oct 30 2018 GeoIPv6-initial.dat
-rw-r--r-- 1 root root 3981623 Aug 12 02:37 GeoLite2-Country.mmdb⑥配置 nginx 配置文件 [root@fxkj ~]# cp /usr/local/nginx/conf/nginx.conf /usr/local/nginx/conf/nginx.conf-bak
[root@fxkj ~]# vim /usr/local/nginx/conf/nginx.confgeoip2 /usr/share/GeoIP/GeoLite2-City.mmdb {
auto_reload 5m;
$geoip2_data_country_code country iso_code;
}
map $geoip2_data_country_code $allowed_country {
default yes;
CN no;
}if ($allowed_country = yes) {
# return https://www.baidu.com;
# return /home/japan;
return 404;
}[root@fxkj ~]# /usr/local/nginx/sbin/nginx -t
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
[roo@fxkj ~]# /usr/local/nginx/sbin/nginx -s reload⑦模拟测试验证 “13.125.1.194 – – [14/Aug/2020:16:15:51 +0800] “GET /favicon.ico HTTP/1.1” 404 548 “https://www.fxkjnj.com/” “Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.125 Safari/537.36” 
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发布于：2021-08-08 17:45
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