Nginx服务器中HTTP 301跳转到带www的域名的方法

nginx的官方文档 documentation, 正确的nginx https 301跳转到带www域名方法的方法如下:

HTTP 301跳转到带www域名方法

 

复制代码代码如下:
server {
listen       80;
server_name  example.org;
return       301 http://www.example.org$request_uri;
}    server {
listen       80;
server_name  www.example.org;

}

HTTPS 301跳转到带www域名方法

 

复制代码代码如下:
   server {
listen 80;
server_name www.domain.com;
// $scheme will get the http protocol
// and 301 is best practice for tablet, phone, desktop and seo
return 301 $scheme://domain.com$request_uri;
}

server {
listen 80;
server_name domain.com;
// here goes the rest of your config file
// example
location / {

rewrite ^/cp/login?$ /cp/login.php last;
// etc etc…

}
}

 

要先用 nginx -v  命令检查你所说使用的nginx的版本. 下面是对于旧版本的nginx301跳转到带www域名方法从www.ksharpdabu.info 跳转到  ksharpdabu.info

 

复制代码代码如下:
server {
server_name  www.domain.com;
rewrite ^(.*) http://domain.com$1 permanent;
}    server {
server_name  domain.com;
#The rest of your configuration goes here#
}

所以需要两个server段。

从ksharpdabu.info 跳转到  www.ksharpdabu.info

 

复制代码代码如下:
server {
server_name  domain.com;
rewrite ^(.*) http://www.domain.com$1 permanent;
}    server {
server_name  www.domain.com;
#The rest of your configuration goes here#
}

按上面设置后,用rewrite的方法跳转到指定的域名下,利于SEO
下面是我举例,从www.google.com 跳转到 google.com的部分nginx配置内容:

 

复制代码代码如下:
server {
server_name  www.google.com;
rewrite ^(.*) http://google.com$1 permanent;
}
server {
listen 80;
server_name google.com;
index index.php index.html;
####
# now pull the site from one directory #
root /var/www/www.google.com/web;
# done #
location = /favicon.ico {
log_not_found off;
access_log off;
}
}

网上还有一种不用rewirte的 方法,如下:

 

复制代码代码如下:
server {
#listen 80 is default
server_name www.example.com;
return 301 $scheme://example.com$request_uri;
}    server {
#listen 80 is default
server_name example.com;
## here goes the rest of your conf…
}

因为return可以用于所有的版本,而rewrite可能因为版本的不同,导致301出错。而且可以直接停止执行匹配和搜索。

下面包含了http和https的。同一个服务器。

 

复制代码代码如下:
server {
listen 80;
listen 443 ssl;
server_name www.example.com;
return 301 $scheme://example.com$request_uri;
}    server {
listen 80;
listen 443 ssl;
server_name example.com;
# rest goes here…
}

 

$scheme 变量只会包含http 如果你的服务器只监听80端口(默认是80端口)同时监听的选项中不含ssl关键字 . 不适用这个变量,就不能获得你所想的要的跳转结果。

将所有http强制跳到https, SSL (personal config on UNIX with IPv4, IPv6, SPDY, …):

复制代码代码如下:
#
# Redirect all www to non-www
#
server {
server_name          www.example.com;
ssl_certificate      ssl/example.com/crt;
ssl_certificate_key  ssl/example.com/key;
listen               *:80;
listen               *:443 ssl spdy;
listen               [::]:80 ipv6only=on;
listen               [::]:443 ssl spdy ipv6only=on;    return 301 https://example.com$request_uri;
}

#
# Redirect all non-encrypted to encrypted
#
server {
server_name          example.com;
listen               *:80;
listen               [::]:80;

return 301 https://example.com$request_uri;
}

#
# There we go!
#
server {
server_name          example.com;
ssl_certificate      ssl/example.com/crt;
ssl_certificate_key  ssl/example.com/key;
listen               *:443 ssl spdy;
listen               [::]:443 ssl spdy;

# rest goes here…
}

#
# Redirect all www to non-www
#
server {
server_name          www.example.com;
ssl_certificate      ssl/example.com/crt;
ssl_certificate_key  ssl/example.com/key;
listen               *:80;
listen               *:443 ssl spdy;
listen               [::]:80 ipv6only=on;
listen               [::]:443 ssl spdy ipv6only=on;

return 301 https://example.com$request_uri;
}

#
# Redirect all non-encrypted to encrypted
#
server {
server_name          example.com;
listen               *:80;
listen               [::]:80;

return 301 https://example.com$request_uri;
}

#
# There we go!
#
server {
server_name          example.com;
ssl_certificate      ssl/example.com/crt;
ssl_certificate_key  ssl/example.com/key;
listen               *:443 ssl spdy;
listen               [::]:443 ssl spdy;

# rest goes here…
}

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