一、Nginx安装(略)
安装的时候需要注意加上 --with-http_ssl_module,因为http_ssl_module不属于Nginx的基本模块。
Nginx安装方法:

# ./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module         
          # make && make install


二、生成证书(略)
可以使用openssl生成证书:
可参考:
比如生成如下两个证书文件(假设存放路径为/usr/local/nginx/cert/):
wangshibo.crt
wangshibo.key

三、修改Nginx配置

server {
          listen 443;
           server_name www.wangshibo.com;
           root /var/www/vhosts/www.wangshibo.com/httpdocs/main/;on;
/usr/local/nginx/cert/wangshibo.crt;
/usr/local/nginx/cert/wangshibo.key;
5m;
SSLv2 SSLv3 TLSv1;
     HIGH:!aNULL:!MD5;                                            //或者是ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;
          on;           access_log /var/www/vhosts/www.wangshibo.com/logs/clickstream_ssl.log main;
           error_log /var/www/vhosts/www.wangshibo.com/logs/clickstream_error_ssl.log;//对访问的来源ip做白名单限制
                 rewrite ^.*$ /maintence.php last;
          }          location ~ \.php$ {
               fastcgi_pass 127.0.0.1:9000;
               fastcgi_read_timeout 300;
               fastcgi_index index.php;
               fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
              #include fastcgi_params;
              include fastcgi.conf;
          }
 }

---------------------------------http访问强制跳转到https---------------------------------
网站添加了https证书后,当http方式访问网站时就会报404错误,所以需要做http到https的强制跳转设置.

---------------一、采用nginx的rewrite方法---------------------

1) 下面是将所有的http请求通过rewrite重写到https上。         
                    例如将所有的dev.wangshibo.com域名的http访问强制跳转到https。         
                    下面配置均可以实现:         
                    
          配置1:         
          server {         
                    listen 80;         
                    server_name dev.wangshibo.com;         
                    index index.html index.php index.htm;         
                    
                    access_log            /usr/local/nginx/logs/8080-access          .log main;         
                    error_log            /usr/local/nginx/logs/8080-error          .log;         
                    
                    rewrite ^(.*)$  https:          //          $host$1 permanent;                  //          这是ngixn早前的写法,现在还可以使用。         
                    
                    location ~ / {         
                    root           /var/www/html/8080          ;         
                    index index.html index.php index.htm;         
                    }         
                    }         
                    
          -------------------------------------------------------         
          上面的跳转配置rewrite ^(.*)$  https:          //          $host$1 permanent;         
          也可以改为下面         
          rewrite ^/(.*)$ http:          //dev          .wangshibo.com/$1 permanent;         
          或者         
          rewrite ^ http:          //dev          .wangshibo.com$request_uri? permanent;         
          -------------------------------------------------------         
                    
          配置2:         
          server {         
                    listen 80;         
                    server_name dev.wangshibo.com;         
                    index index.html index.php index.htm;         
                    
                    access_log            /usr/local/nginx/logs/8080-access          .log main;         
                    error_log            /usr/local/nginx/logs/8080-error          .log;         
                    
                    return                301 https:          //          $server_name$request_uri;                //          这是nginx最新支持的写法         
                    
                    location ~ / {         
                    root           /var/www/html/8080          ;         
                    index index.html index.php index.htm;         
                    }         
                    }         
                    
                    
          配置3:这种方式适用于多域名的时候,即访问wangshibo.com的http也会强制跳转到https:          //dev          .wangshibo.com上面         
          server {         
                    listen 80;         
                    server_name dev.wangshibo.com wangshibo.com *.wangshibo.com;         
                    index index.html index.php index.htm;         
                    
                    access_log            /usr/local/nginx/logs/8080-access          .log main;         
                    error_log            /usr/local/nginx/logs/8080-error          .log;         
                    
                    if           ($host ~*           "^wangshibo.com$"          ) {         
                    rewrite ^/(.*)$ https:          //dev          .wangshibo.com/ permanent;         
                    }         
                    
                    location ~ / {         
                    root           /var/www/html/8080          ;         
                    index index.html index.php index.htm;         
                    }         
                    }         
                    
                    
          配置4:下面是最简单的一种配置         
          server {         
                    listen 80;         
                    server_name dev.wangshibo.com;         
                    index index.html index.php index.htm;         
                    
                    access_log            /usr/local/nginx/logs/8080-access          .log main;         
                    error_log            /usr/local/nginx/logs/8080-error          .log;         
                    
                    if           ($host =           "dev.wangshibo.com"          ) {         
                    rewrite ^/(.*)$ http:          //dev          .wangshibo.com permanent;         
                    }         
                    
                    location ~ / {         
                    root           /var/www/html/8080          ;         
                    index index.html index.php index.htm;         
                    }         
                    }


---------------二、采用nginx的497状态码---------------------

497 - normal request was sent to HTTPS          
          解释:当网站只允许https访问时,当用http访问时nginx会报出497错误码         
                    
          思路:         
          利用error_page命令将497状态码的链接重定向到https:          //dev          .wangshibo.com这个域名上         
                    
          配置实例:         
          如下访问dev.wangshibo.com或者wangshibo.com的http都会被强制跳转到https         
          server {         
                    listen 80;         
                    server_name dev.wangshibo.com wangshibo.com *.wangshibo.com;         
                    index index.html index.php index.htm;         
                    
                    access_log            /usr/local/nginx/logs/8080-access          .log main;         
                    error_log            /usr/local/nginx/logs/8080-error          .log;         
                    
                    error_page 497  https:          //          $host$uri?$args;          
                    
                    location ~ / {         
                    root           /var/www/html/8080          ;         
                    index index.html index.php index.htm;         
                    }         
                    }         
                    
                    
          也可以将80和443的配置放在一起:         
          server {          
                    listen       127.0.0.1:443;            #ssl端口          
                    listen       127.0.0.1:80;             #用户习惯用http访问,加上80,后面通过497状态码让它自动跳到443端口          
                    server_name  dev.wangshibo.com;          
                    #为一个server{......}开启ssl支持          
                    ssl                  on;          
                    #指定PEM格式的证书文件           
                    ssl_certificate                /etc/nginx/wangshibo          .pem;           
                    #指定PEM格式的私钥文件          
                    ssl_certificate_key            /etc/nginx/wangshibo          .key;          
                    
                    #让http请求重定向到https请求           
                    error_page 497  https:          //          $host$uri?$args;          
                    
                    location ~ / {         
                    root           /var/www/html/8080          ;         
                    index index.html index.php index.htm;         
                    }         
                    }


---------------三、利用meta的刷新作用将http跳转到https---------------------

上述的方法均会耗费服务器的资源,可以借鉴百度使用的方法:巧妙的利用meta的刷新作用,将http跳转到https         
          可以基于http:          //dev          .wangshibo.com的虚拟主机路径下写一个index.html,内容就是http向https的跳转         
                    
          将下面的内容追加到index.html首页文件内         
          [root@localhost ~]          # cat /var/www/html/8080/index.html         
          <html>          
          <meta http-equiv=          "refresh"           content=          "0;url=https://dev.wangshibo.com/"          >          
          <          /html          >         
                    
          [root@localhost ~]          # cat /usr/local/nginx/conf/vhosts/test.conf         
          server {         
                    listen 80;         
                    server_name dev.wangshibo.com wangshibo.com *.wangshibo.com;         
                    index index.html index.php index.htm;         
                    
                    access_log            /usr/local/nginx/logs/8080-access          .log main;         
                    error_log            /usr/local/nginx/logs/8080-error          .log;         
                    
                    #将404的页面重定向到https的首页          
                    error_page  404 https:          //dev          .wangshibo.com/;           
                    
                    location ~ / {         
                    root           /var/www/html/8080          ;                  
                    index index.html index.php index.htm;         
                    }         
                    }

-----------------------------------------------------------------------------------------------------------------------------
下面是nginx反代tomcat,并且http强制跳转至https。
访问http://zrx.wangshibo.com和访问http://172.29.34.33:8080/zrx/结果是一样的

[root@BJLX_34_33_V vhosts]          # cat zrx.conf         
          server {         
                    listen 80;         
                    server_name zrx.wangshibo.com;         
                    index index.html index.php index.htm;         
                    
                    access_log  logs          /access          .log;         
                    error_log   logs          /error          .log;         
                    
                    return                301 https:          //          $server_name$request_uri;              
                    
                    location ~ / {         
                    root           /data/nginx/html          ;         
                    index index.html index.php index.htm;         
                    }         
                    }         
                    
                    
          [root@BJLX_34_33_V vhosts]          # cat ssl-zrx.conf         
          upstream tomcat8 {         
                    server 172.29.34.33:8080 max_fails=3 fail_timeout=30s;         
          }         
                    
          server {         
                    listen 443;         
                    server_name zrx.wangshibo.com;         
                    ssl on;         
                    
                    ### SSL log files ###         
                    access_log logs          /ssl-access          .log;         
                    error_log logs          /ssl-error          .log;         
                    
          ### SSL cert files ###         
                    ssl_certificate ssl          /wangshibo          .cer;              
                    ssl_certificate_key ssl          /wangshibo          .key;           
                    ssl_session_timeout 5m;         
                    
                    location / {         
                    proxy_pass http:          //tomcat8/zrx/          ;                                              
                    proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;         
                    proxy_set_header Host $host;         
                    proxy_set_header X-Real-IP $remote_addr;         
                    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;         
                    proxy_set_header X-Forwarded-Proto https;         
                    proxy_redirect off;         
          }         
          }


---------------四、通过proxy_redirec方式---------------------

解决办法:         
          # re-write redirects to http as to https, example: /home         
          proxy_redirect http:          //           https:          //          ;