[undertow-dev] Undertow responding to unknown host
Guruprasad Nagaraj
gpn at networkart.com
Tue Feb 17 04:05:59 EST 2015
Hi,
I am using Wildfly 8.2 Final.
I am using the default Undertow subsystem configuration -
<subsystem xmlns="urn:jboss:domain:undertow:1.2">
<buffer-cache name="default"/>
<server name="default-server">
<http-listener name="default" socket-binding="http"/>
<host name="default-host" alias="localhost">
<location name="/" handler="welcome-content"/>
<filter-ref name="server-header"/>
<filter-ref name="x-powered-by-header"/>
</host>
</server>
<servlet-container name="default">
<jsp-config/>
<websockets/>
</servlet-container>
<handlers>
<file name="welcome-content" path="${jboss.home.dir}/welcome-content"/>
</handlers>
<filters>
<response-header name="server-header" header-name="Server" header-value="WildFly/8"/>
<response-header name="x-powered-by-header" header-name="X-Powered-By" header-value="Undertow/1"/>
</filters>
</subsystem>
As you see I do not have any aliases apart from the localhost.
I have a local DNS entry which points acme.example.com<http://acme.example.com> to the IP Address of the Wildfly Server/Host.
When I try to fetch a page http://acme.example.com:8080/SVWeb/index.html, I do get the page back. While undertow does not know about this host, how is it that I get the content back?
The Host header in the HTTP request is indeed -
Host: “acme.example.com<http://acme.example.com>:8080"
Should I use any filters or access control to let Undertow know not serve unknown hosts?
Thanks and Best Regards,
GPN
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