[undertow-dev] Undertow responding to unknown host

[Guruprasad Nagaraj]

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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