Nginx的模块--realip，image和https模块

àì夳堔傛蜴生んèń 2021-11-23 14:52 434阅读 0赞

## 1.获取被反向代理访问的客户端真实ip ##

1.在server1上创建一个虚拟主机测试语法

vim /usr/local/nginx/conf/nginx.conf		##修改配置文件
    curl -H "X-Forwarded-For: 2.2.2.2,172.25.16.1" server1.example.com		##它应该获取到的时2.2.2.2
    
    修改完成后发现无法重新加载，查看报错是因为无法时别real_ip指令，所以我们需要重新编译并加上这个模块
    注意：编译时的安装位置和上次添加的模块必须相同，如果忘记了可以用/usr/local/nginx/sbin/nginx -V 查看编译的详细信息
    ./configure --prefix=/usr/local/nginx --with-file-aio --with-http_realip_module
    make
    [root@server1 nginx-1.17.1]# cp ./objs/nginx /usr/local/nginx/sbin/nginx -f
    /usr/local/nginx/sbin/nginx -t
    systemctl reload nginx

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70]  
![在这里插入图片描述][20190726220606395.png]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 1]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 2]![在这里插入图片描述][20190726220625210.png]![在这里插入图片描述][20190726220657180.png]  
测试：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 3]  
![在这里插入图片描述][2019072622091224.png]

**2.用两台主机实现realip的获取**  
1.server1(注释掉上个实验的内容)

vim /usr/local/nginx/conf/nginx.conf			##修改配置文件
    systemctl reload nginx
    scp -r /usr/local/nginx/ server2:/usr/local/	##把nginx目录直接发给server2使用，减少操作步骤

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 4]2.server2反向代理nginx服务器的设定:(把server1的修改全部注释掉)

vim /usr/local/nginx/conf/nginx.conf		##修改配置文件
    /usr/local/nginx/sbin/nginx					##启动服务

![在这里插入图片描述][20190726221141989.png]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 5]

测试：

在物理机：

vim /etc/hosts						##先添加域名解析
    curl -I www.example.com				##访问域名，查看server1的access日志
    
    tail -f /usr/local/nginx/logs/access.log	##查看server1的日志可以看到获取到了真机的ip地址

![在这里插入图片描述][20190726221325148.png]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 6]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 7]

## 2.image模块的使用 ##

1.模块的编译安装和导入

/usr/local/nginx/sbin/nginx -V				##在重新编译之前确定自己现在的环境和添加的模块
    ./configure --help | grep image				##查找image模块
    [root@server1 nginx-1.17.1]# ./configure --prefix=/usr/local/nginx --with-file-aio --with-http_realip_module
    --with-http_image_filter_module=dynamic			##添加的模块和安装的位置必须和之前的环境相同
    ##执行完编译命令后很可能会报错，缺少编译环境

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 8]  
![在这里插入图片描述][20190726225001329.png]2.安装编译环境

下载并安装这个GD编译环境，重新编译，自身yum源没有，需要从网上下载，且版本应与nginx编译的版本相同
    本机使用的是：gd-devel-2.0.35-26.el7.x86_64.rpm
    yum install gd-devel-2.0.35-26.el7.x86_64.rpm -y		##安装编译环境
    [root@server1 nginx-1.17.1]# ./configure --prefix=/usr/local/nginx --with-file-aio --with-http_realip_module
     --with-http_image_filter_module=dynamic				##再次执行编译脚本
    make													##编译生成二进制文件
    cp -f ./objs/nginx /usr/local/nginx/sbin/nginx			##覆盖旧的二进制文件
    cd ./objs						##进入后ls查看安装的image模块
    
    mkdir /usr/local/nginx/modules				##因为这不是内置的模块，所以要导入使用，创建一个存放这种模块的目录
    cp ngx_http_image_filter_module.so /usr/local/nginx/modules/		##把模块复制过去

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 9]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 10]继续编译  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 11]安装  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 12]

使模块生效  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 13]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 14]![在这里插入图片描述][20190726225230500.png]  
3.编辑配置文件

修改配置文件将模块导入使用：
    vim /usr/local/nginx/conf/nginx.conf		##修改配置文件,
    systemctl reload nginx						##本次演示的是像素的修改方法，若想知道更多应用请查看官网的帮助手册

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 15]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 16]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 17]  
未使用image模块前  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 18]使用后  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 19]

## 3.https模块的使用 ##

1.模块的编译安装和导入（与image模块类似）

/usr/local/nginx/sbin/nginx -V			##首先查看已经编译安装的模块和位置
    ./configure --help | grep ssl			##查找https模块
    [root@server1 nginx-1.17.1]# ./configure --prefix=/usr/local/nginx --with-file-aio --with-http_realip_module
     --with-http_image_filter_module=dynamic --with-http_ssl_module			##编译安装
    make									##生成二进制文件
    cp -f ./objs/nginx /usr/local/nginx/sbin/nginx		##覆盖旧的二进制文件
    systemctl reload nginx					##重新加载服务
    cp ./objs/ngx_http_image_filter_module.so /usr/local/nginx/modules/		##原来的模块在编译后已经不能用了，所以把新的
    																		##再次导入
    systemctl reload nginx			  	##使策略服务

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 20]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 21]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 22]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 23]2.建立虚拟主机，生成证书

vim /usr/local/nginx/conf/nginx.conf		##修改配置文件,创建一个虚拟主机用来https的访问
    cd /etc/pki/tls/certs/						##进入证书目录
    ls											##可以看到现在还没有证书模块
    make cert.pem								##生成证书

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 24]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 25]  
![在这里插入图片描述][20190727204739930.png]  
测试：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 26]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 27]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg4OTYxNg_size_16_color_FFFFFF_t_70 28]

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[20190726220606395.png]: https://img-blog.csdnimg.cn/20190726220606395.png
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