On 24/02/2020 20:44, calder wrote:
> On Mon, Feb 24, 2020, 14:19 Ellen Meiselman <elle...@gmail.com> wrote:
> 
>> Hi,
>>
>> I’m having a lot of trouble configuring the isapi_redirect connector
>> between IIS and Tomcat. I am running out of ideas so it’s time to ask for
>> help from the experts. I think the problems remaining are in the tomcat
>> configuration area, not the IIS area anymore.
>>
>> What’s wrong:
>> The ISAPI module appears to be working and correctly sending AJP requests
>> to Tomcat on port 8009, at which point Tomcat refuses those requests with a
>> 403 error. The isapi_redirect.log shows the complete content of the tomcat
>> response, and no longer shows any errors - in other words, it thinks it is
>> working.
>>
>> Text of the 403 error:
>>
>>      HTTP Status 403 – Forbidden
>>      Type Status Report
>>      Description The server understood the request but refuses to
>> authorize it.
>>      Apache Tomcat/8.5.51
>>
> 
> 
> Is IIS returning the 403?  If yes, we should see a "dot error" number, such
> as 403.1 or 403.2, and so on.

All the evidence indicates that Tomcat, not IIS, is generating the 403
so the user will see a "proper" 403 rather than one of the IIS variants.

> What does work:
>> Requests directly to Tomcat on port 8080 to pages within the
>> connector-exposed web application work fine.
>> For example, both of these work:
>> localhost:8080/exposedApplication/simple.html. (viewed on the server’s
>> browser)
>> my.servers.domain.com:8080/exposedApplication/simple.html (viewed
>> anywhere else)
>>
>>
>> What does not work:
>> Requests that go through IIS and the connector to the connector-exposed
>> application result in a 403 error.
>> For example, this does not work:
>> https:my.servers.domain.com/exposedApplication/simple.html
>>
>>
>> This Windows 2019 setup has the following versions of tomcat, windows, etc:
>>
>> Tomcat version 8.5.51
>> Isapi_redirect.dll version 1.2.46.0
>> IIS 10/Windows server 2019
>>
>> I also have two older, similar Windows Server environments that work
>> perfectly. They both use these versions:
>>
>> Tomcat version 8.5.3 (64 bit) as a service
>> Isapi_redirect.dll version 1.2.40.0 64 bit
>> IIS 8/Windows server 2012R2
>>
>>
>> The component versions between the working and non-working environments
>> are slightly different, and I think that might be the source of the problem
>> - there are probably new configuration requirements that I need to be aware
>> of. I started with the settings used in the working environments and found
>> that some things needed to be changed to get the connector to work at alll.
>> For example I had to specify an iPv4 address for the connector where I
>> didn’t need to before.
>>
>> My theories at the moment:
>> 1. Maybe allowedRequestAttributesPattern is a problem? I saw a note about
>> the allowedRequestAttributesPattern attribute for the AJP connector
>> possibly causing a 403 error, but I don’t understand how to use it or if it
>> is needed.
>> 2. It’s possible that something in the Tomcat permissions settings are
>> wrong, but I really don’t know where to look.
>>
>>
>> Relevant configuration settings in server.xml, workers.properties and
>> uriworkermap.properties:
>>
>> server.xml
>>
>>     <Connector port="8080" protocol="HTTP/1.1” connectionTimeout=“20000"
>> redirectPort="8443" />
>>     <Connector protocol="AJP/1.3”  address=“127.0.0.1" port="8009"
>> requiredSecret="true"  secret=“xxxxxxxx" redirectPort="8443" />
>>
>>      <Host name="localhost"  appBase=“webapps" unpackWARs="true"
>> autoDeploy="true">
>>         <Valve className="org.apache.catalina.valves.AccessLogValve"
>> directory="logs"
>>                prefix="localhost_access_log" suffix=".txt"
>>                pattern="%h %l %u %t &quot;%r&quot; %s %b" />
>>       </Host>
>>
>>      <Host name="127.0.0.1"  appBase=“webapps” unpackWARs="true"
>> autoDeploy="true">
>>         <Valve className="org.apache.catalina.valves.AccessLogValve"
>> directory="logs"
>>                 prefix="127_0_01_access_log" suffix=".txt"
>>                 pattern="%h %l %u %t &quot;%r&quot; %s %b" />
>>      </Host>
>>
>>
>> workers.properties
>>
>> # Set properties for worker1 (ajp13)
>> worker.worker1.type=ajp13
>> worker.worker1.host=127.0.0.1
>> worker.worker1.port=8009
>> worker.worker1.secret=xxxxxxxx
>>
>> uriworkermap.properties
>> /exposedApplication/*=worker1
>>
>> Any suggestions or new directions will be welcome.
>>
> 
> 
> A full stack trace (including any "caused by" statements)  from Tomcat
> *and*  IIS would be helpful.

There won't be any.

Mark

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