Hi,

The clear POST data flow is attached as a file.

Thanks!

Xuemei

----- Original Message -----
From: xuemei <[EMAIL PROTECTED]>
To: Scott Stahlman <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Wednesday, May 23, 2001 5:37 PM
Subject: Re: windows 2K + IIS 5.0 + cgi program + HTTP connection Keep Alive
doesn't work


> Scott,
>
> Thank you very much for your help!
> I've posted my question to both tomcat-user and tomcat-dev newsgroup
before
> I sent to you.
>
> Here I'll tell more about my program:
>
> System:
> Client ---- Firewall --- [ Web Server - cgi program - mux server ] ---
> Another Server
>
> the data flow for each HTTP POST request as follows (obtained from
> LanWatch32):
>
> The firewall(Raptor) HTTP proxy tends to send one POST request in two
parts:
>  HTTP header + HTTP content
>
>
> client(firewall)
> Web Server                 cgi program +  mux server
>
> POST path to cgi program HTTP 1.1
> .... other headers                                    -------->
> Connection: Keep-Alive
>
>
>                                                          <-----------
HTTP
> 1.1 100 continue
>
> ......
>
>
> HTTP content                                     ------------>
> it may take cgi program
>
> 1ms --- 100ms  to process
>
> and send back HTTP reply
>
>
>                                                           <------------
> HTTP 1.1 200 OK
>
> ...... other headers
>
> Connection: close
>
> HTTP content
>
>
>
> It happens both on Windows NT + IIS 4.0 and on Windows 2000 Server + IIS
> 5.0.
>
> My program works with Apache + Linux, the connection is never closed if
set
> accordingly.
>
> My questions are:
> What's the parameters related to HTTP 1.1 connection? How to change them?
>
> Appreciate very much your kind help!
>
>
> Xuemei
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> ----- Original Message -----
> From: Scott Stahlman <[EMAIL PROTECTED]>
> To: xuemei <[EMAIL PROTECTED]>
> Sent: Saturday, May 19, 2001 1:01 PM
> Subject: RE: windows 2K + IIS 5.0 + cgi program + HTTP connection Keep
Alive
> doesn't work
>
>
> Sorry for the late reply.  Can you post this question on the newsgroup?
> It would be a great help, as you can probably imagine I must account for
> how I spend my time and posting this to the newsgroup allows us to do
> that.
> But see if
> http://support.microsoft.com/support/kb/articles/Q195/1/79.asp helps you
> at all.
>
>
> Thanks,
> Scott
>
> -----Original Message-----
> From: xuemei [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, May 16, 2001 4:20 AM
> To: Scott Stahlman
> Subject: windows 2K + IIS 5.0 + cgi program + HTTP connection Keep Alive
> doesn't work
>
> Hi, Scott
>
> I found your email address from the IIS Newsgroup.
> Sorry to bother you, but I really need some help soon.
>
> I just begin to use windows 2k Server and IIS 5.0 for my cgi program.
> The problem is that the  HTTP connection Keep Alive is ON(by default),
> and the POST request to my cgi program also ask for Connection:
> Keep-Alive,
> but IIS always close the connection after sending reply to each request.
> There's
> no error at all, and even data is sent back though it's expired to
> Sender.
>
> How can I make HTTP 1.1 persistent connection work with IIS 5.0 on
> Windows
> 2000 Server?  In fact, I have same problem with IIS 4.0 on NT 4.0
> Server.
>
> Thank you very very much for your kind help!
>
> Xuemei
>
>
>
>
>
>

POSTdataflow.doc

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