[Bug 57056] New: Rewrite port is taken into hostname

[bu...@apache.org]

https://issues.apache.org/bugzilla/show_bug.cgi?id=57056

            Bug ID: 57056
           Summary: Rewrite port is taken into hostname
           Product: Apache httpd-2
           Version: 2.4.10
          Hardware: PC
                OS: Windows XP
            Status: NEW
          Severity: major
          Priority: P2
         Component: mod_rewrite
          Assignee: bugs@httpd.apache.org
          Reporter: bgrh@mail.ru

My goal is to write proxy, which will proxy all requests to the VPN.

So, I've written the following configuration:

<VirtualHost *:8121>
  RewriteEngine On

  ErrorLog logs/misc-error_log
  TransferLog logs/misc-access_log

  RewriteRule ^/(.*) http://%{HTTP_HOST}:8121/$1 [P]
</VirtualHost>

However, for some reason, it's not working as expected.

It seems that it tries to resolve '%{HTTP_HOST}:8121' as host name.

Browser answer is

Proxy Error

The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request GET /.

Reason: DNS lookup failure for: n01wmw202:8121

Log error contains the same entry

[Sat Oct 04 07:34:34.123051 2014] [proxy:error] [pid 4004:tid 1260] [client
192.168.33.148:64292] AH00898: DNS lookup failure for: n01wmw202:8121 returned
by /

If I remove ':8121' everything is working as expected.

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[Bug 57056] Rewrite port is taken into hostname

[bu...@apache.org]

https://issues.apache.org/bugzilla/show_bug.cgi?id=57056

--- Comment #1 from Danila Galimov <bg...@mail.ru> ---
It also reproduces if i change it to

  RewriteRule ^/(.*) http://%{HTTP_HOST}:%{SERVER_PORT}/$1 [P]

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