设置域名跳转的几种方式
<p class="md-end-block md-p"><span class="md-plain">背景：</span></p><p class="md-end-block md-p"><span class="md-plain">本文以ubuntu服务器为例来说明几种设置域名跳转的情况</span></p>
<p class="md-end-block md-p"><span class="md-plain">设置域名301跳转的几种途径：</span></p>
<p class="md-end-block md-p"><span class="md-plain">1、域名解析处设置显性URL</span></p>
<p class="md-end-block md-p"><span class="md-plain">比如解析处可设置a.com显性解析到b.com</span></p>
<p class="md-end-block md-p md-focus"> </p>
<p class="md-end-block md-p"><span class="md-plain">2、nginx配置文件处跳转。</span></p>
<p class="md-end-block md-p"><span class="md-plain">a、proxy跳转</span></p>
<p class="md-end-block md-p"><span class="md-plain">/etc/nginx/conf.d下面设置跳转</span></p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 0, 1)">server {
listen </span><span style="color: rgba(128, 0, 128, 1)">80</span><span style="color: rgba(0, 0, 0, 1)">;
server_name a.com;
location </span>/<span style="color: rgba(0, 0, 0, 1)"> {
proxy_pass http:</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">127.0.0.1:9081;</span>
<span style="color: rgba(0, 0, 0, 1)"> autoindex on;
include conf.d</span>/<span style="color: rgba(0, 0, 0, 1)">proxy.conf;
deny all;
}
}</span></pre>
</div>
<p> </p>
<p class="md-end-block md-p"><span class="md-plain">b、rewrite跳转</span></p>
<p class="md-end-block md-p"><span class="md-plain">/etc/nginx/sites-enabled路径下设置</span></p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 0, 1)">server {
listen </span><span style="color: rgba(128, 0, 128, 1)">80</span><span style="color: rgba(0, 0, 0, 1)">;
server_name a.com c.com;
........
rewrite </span>^(.*) https:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">b.com$1 permanent;</span>
}</pre>
</div>
<p>尤其注意：如果此处server处的域名有别名，那么也会跳转；比如上述c.com也会跳转到b.com,即使没有配置其他的跳转。</p>
<p class="md-end-block md-p"><span class="md-plain">3、程序中设置跳转</span></p>
<p class="md-end-block md-p"><span class="md-plain">比如PHP程序中就可以设置这种域名跳转。</span></p>
<p class="md-end-block md-p"> </p>
<p class="md-end-block md-p"> </p>
<p class="md-end-block md-p"><span class="md-plain">扩展：阿里云SLB端口转发</span></p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 0, 1)">阿里云SLB端口转发
如果服务只是一个后端接口，没有nginx配置前端项目，可以通过阿里云的SLB做端口的转发
比如一个java接口端口是9900，可以配置http和https域名访问</span></pre>
</div>
<p><img src="https://img2018.cnblogs.com/blog/1209537/201907/1209537-20190703212043739-2079476714.png" alt=""></p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 0, 1)">上述端口80转发到9900端口，这么访问时只需要使用a.test.com访问项目即可
如果需要配置https，则可以使用443转发到9900，注意https中健康检查的路径一定要是一个能够返回2XX或者3XX的URL。如果健康检查通过，那么直接访问https:</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">a.test.com即可</span></pre>
</div>
<p> </p>
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