配置准备
正向代理,指的是通过代理服务器 代理浏览器/客户端去重定向请求访问到目标服务器 的一种代理服务。
正向代理服务的特点是代理服务器 代理的对象是浏览器/客户端,也就是对于目标服务器 来说浏览器/客户端是隐藏的。
nginx默认支持正向代理http,不支持https
nginx官方并不支持直接转发https请求,nginx支持https需要ngx_http_proxy_connect_module模块。github上开源了模块 https://github.com/chobits/ngx_http_proxy_connect_module。不过维护的ngx_http_proxy_connect_module模块的补丁也是有nginx版本限制的(目前维护了1.4.x~1.19.x版本)
可以在REDEME.md的Select patch中查看nginx版本和模块的对应关系
nginx版本和正向代理https的模块的对应关系
nginx version | enable REWRITE phase | patch |
---|---|---|
1.4.x ~ 1.12.x | NO | proxy_connect.patch |
1.4.x ~ 1.12.x | YES | proxy_connect_rewrite.patch |
1.13.x ~ 1.14.x | NO | proxy_connect_1014.patch |
1.13.x ~ 1.14.x | YES | proxy_connect_rewrite_1014.patch |
1.15.2 | YES | proxy_connect_rewrite_1015.patch |
1.15.4 ~ 1.16.x | YES | proxy_connect_rewrite_101504.patch |
1.17.x ~ 1.18.0 | YES | proxy_connect_rewrite_1018.patch |
1.19.x ~ 1.21.0 | YES | proxy_connect_rewrite_1018.patch |
1.21.1 ~ 1.22.0 | YES | proxy_connect_rewrite_102101.patch |
ls /root/ngx_http_proxy_connect_module/patch proxy_connect_1014.patch proxy_connect_rewrite_1015.patch proxy_connect.patch proxy_connect_rewrite_1018.patch proxy_connect_rewrite_1014.patch proxy_connect_rewrite_102101.patch proxy_connect_rewrite_101504.patch proxy_connect_rewrite.patch
github上开源了模块 https://github.com/chobits/ngx_http_proxy_connect_module
此处用的是nginx-1.17.6,对应proxy_connect_rewrite_1018.patch
配置nginx正向代理
下载后上传到服务器
ls ngx_http_proxy_connect_module-master.zip nginx-1.17.6.tar.gz
解压nginx,解压模块并重命名
tar xf nginx-1.17.6.tar.gz unzip ngx_http_proxy_connect_module-master.zip mv ngx_http_proxy_connect_module-master ngx_http_proxy_connect_module ls ngx_http_proxy_connect_module nginx-1.17.6 ngx_http_proxy_connect_module-master.zip nginx-1.17.6.tar.gz
安装nginx
安装源码编译工具包,nginx依赖包
yum -y install make gcc openssl openssl-devel pcre-devel zlib zlib-devel
进入nginx解压后的目录
cd nginx-1.17.6 ./configure make && make install
使用正向代理https的模块
查看nginx-1.17.6对应的https模块的具体位置
ls /root/ngx_http_proxy_connect_module/patch/proxy_connect_rewrite_1018.patch
导入模块,再次编译安装
patch -p1
配置正向代理
nginx默认安装在/usr/local/nginx/
cd /usr/local/nginx/
修改配置文件
vim conf/nginx.conf
在 #gzip on; 下添加配置
#正向代理转发http请求 server { #指定DNS服务器IP地址 resolver 114.114.114.114; #监听80端口,http默认端口80 listen 80; #服务器IP或域名 server_name localhost; #正向代理转发http请求 location / { proxy_pass http://$host$request_uri; proxy_set_header HOST $host; proxy_buffers 256 4k; proxy_max_temp_file_size 0k; proxy_connect_timeout 30; proxy_send_timeout 60; proxy_read_timeout 60; proxy_next_upstream error timeout invalid_header http_502; } } #正向代理转发https请求 server { #指定DNS服务器IP地址 resolver 114.114.114.114; #监听443端口,https默认端口443 listen 443; #正向代理转发https请求 proxy_connect; proxy_connect_allow 443 563; proxy_connect_connect_timeout 10s; proxy_connect_read_timeout 10s; proxy_connect_send_timeout 10s; location / { proxy_pass http://$host; proxy_set_header Host $host; } }
检查配置文件是否有错误sbin/nginx -t
创建nginx用户,用来运行nginx
useradd nginx
启动服务
sbin/nginx
验证正向代理
curl -I http://www.baidu.com/ -v -x 127.0.0.1:80 curl -I https://www.baidu.com/ -v -x 127.0.0.1:443
验证正向代理http 200 ok
curl -I http://www.baidu.com/ -v -x 127.0.0.1:80 * About to connect() to proxy 127.0.0.1 port 80 (#0) * Trying 127.0.0.1... * Connected to 127.0.0.1 (127.0.0.1) port 80 (#0) > HEAD http://www.baidu.com/ HTTP/1.1 > User-Agent: curl/7.29.0 > Host: www.baidu.com > Accept: */* > Proxy-Connection: Keep-Alive >
验证正向代理https 200 ok
curl -I https://www.baidu.com/ -v -x 127.0.0.1:443 * About to connect() to proxy 127.0.0.1 port 443 (#0) * Trying 127.0.0.1... * Connected to 127.0.0.1 (127.0.0.1) port 443 (#0) * Establish HTTP proxy tunnel to www.baidu.com:443 > CONNECT www.baidu.com:443 HTTP/1.1 > Host: www.baidu.com:443 > User-Agent: curl/7.29.0 > Proxy-Connection: Keep-Alive > HEAD / HTTP/1.1 > User-Agent: curl/7.29.0 > Host: www.baidu.com > Accept: */* >
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