我管理两个站点。第一个站点"foo.com"是带有Apache 2的虚拟主机，重定向到另一个站点（"1.2.3.4:1234"），带有Nginx。
我使用过重写器、重定向。。。但当重定向完成时，浏览器中的URL始终转换为"1.2.3.4:1234"。
我可以以某种方式保留原始URL（'foo.com'）吗？
非常感谢你。
注：我探索了发布的解决方案：重定向到其他域，但保持键入的域
但我收到了一个503错误代码，其中包含以下日志：
...
[Thu Nov 06 20:50:06 2014] [debug] mod_proxy_http.c(56): proxy: HTTP: canonicalising URL //1.2.3.4:1234/
[Thu Nov 06 20:50:06 2014] [debug] proxy_util.c(1540): [client 82.130.187.20] proxy: *: found reverse proxy worker for http://1.2.3.4:1234/
[Thu Nov 06 20:50:06 2014] [debug] mod_proxy.c(1020): Running scheme http handler (attempt 0)
[Thu Nov 06 20:50:06 2014] [debug] mod_proxy_http.c(1962): proxy: HTTP: serving URL http://1.2.3.4:1234/
[Thu Nov 06 20:50:06 2014] [debug] proxy_util.c(2026): proxy: HTTP: has acquired connection for (*)
[Thu Nov 06 20:50:06 2014] [debug] proxy_util.c(2082): proxy: connecting http://1.2.3.4:1234/ to 1.2.3.4:1234
[Thu Nov 06 20:50:06 2014] [debug] proxy_util.c(2209): proxy: connected / to 1.2.3.4:1234
[Thu Nov 06 20:50:06 2014] [debug] proxy_util.c(2460): proxy: HTTP: fam 2 socket created to connect to *
[Thu Nov 06 20:51:06 2014] [error] (70007)The timeout specified has expired: proxy: HTTP: attempt to connect to 1.2.3.4:1234 (*) failed
[Thu Nov 06 20:51:06 2014] [debug] proxy_util.c(2044): proxy: HTTP: has released connection for (*)
82.130.187.20 - - [06/Nov/2014:20:50:06 +0100] "GET / HTTP/1.1" 503 406
[Thu Nov 06 20:51:08 2014] [debug] mod_proxy_http.c(56): proxy: HTTP: canonicalising URL //1.2.3.4:1234/favicon.ico
[Thu Nov 06 20:51:08 2014] [debug] proxy_util.c(1540): [client 82.130.187.20] proxy: *: found reverse proxy worker for http://1.2.3.4:1234/favicon.ico, referer: http://foo.com/
[Thu Nov 06 20:51:08 2014] [debug] mod_proxy.c(1020): Running scheme http handler (attempt 0)
[Thu Nov 06 20:51:08 2014] [debug] mod_proxy_http.c(1962): proxy: HTTP: serving URL http://1.2.3.4:1234/favicon.ico
[Thu Nov 06 20:51:08 2014] [debug] proxy_util.c(2026): proxy: HTTP: has acquired connection for (*)
[Thu Nov 06 20:51:08 2014] [debug] proxy_util.c(2082): proxy: connecting http://1.2.3.4:1234/favicon.ico to 1.2.3.4:1234
[Thu Nov 06 20:51:08 2014] [debug] proxy_util.c(2209): proxy: connected /favicon.ico to 1.2.3.4:1234
[Thu Nov 06 20:51:08 2014] [debug] proxy_util.c(2460): proxy: HTTP: fam 2 socket created to connect to *
[Thu Nov 06 20:52:08 2014] [error] (70007)The timeout specified has expired: proxy: HTTP: attempt to connect to 1.2.3.4:1234 (*) failed
[Thu Nov 06 20:52:08 2014] [debug] proxy_util.c(2044): proxy: HTTP: has released connection for (*)
...
有很多线程可以解决您的问题，您可以尝试以下线程：
.htaccess重定向而不更改地址栏
使用htaccess重定向子域，而不更改地址栏中的URL
https://serverfault.com/questions/235879/keeping-the-original-subdomain-url-in-the-address-bar-with-wildcard-subdomains