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From Michael B Allen <>
Subject Re: Obtaining a Unique Connection ID?
Date Mon, 23 Mar 2009 14:38:24 GMT
On Mon, Mar 23, 2009 at 3:41 AM, Rainer Jung <> wrote:
> Others might have better ideas, but as mentioned in the previous thread, you
> can forward the remote port with
> and retrieve it in Tomcat with
> request.getAttribute("REMOTE_PORT")
> Doesn't that work?

Yes, it sounds like precisely what I'm looking for. I just didn't
understand the significance of your previous message. I never used
mod_jk before so I'll have to look into this JkEnvVar thing.

I'll try it.


> On 23.03.2009 02:43, Michael B Allen wrote:
>> Hi Again,
>> In the near term absence of getRemotePort, I am struggling to
>> determine a method for storing and retrieving per-connection state.
>> Can anyone recommend another method for acquiring a unique connection
>> identifier? I would be satisfied with a platform specific method at
>> this point.
>> Just to be clear as to why this is necessary, NTLMSSP is a three
>> request "handshake". So if you have a frameset with 5 frames, IE will
>> create 5 separate connections but will use the same session ID. So I
>> cannot simply store the state of the authentication in the session
>> because the multiple simultaneous authentication requests will
>> incorrectly read or overwrite that state and cause strange concurrency
>> errors. I need to store the authentication state in the session using
>> a unique connection ID (normally getRemoteAddr+getRemotePort) to keep
>> the simultaneous authentication requests straight.
>> Any ideas?
>> Is there a mod_jk or Tomcat specific feature that would allow me to
>> get the socket file descriptor value, or port, or unique ID through
>> HttpServletRequest.getAttribute()?
>> Mike
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Michael B Allen
Java Active Directory Integration

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