Re: IIS 6 and protocol HTTP/0.9
From: Wade A. Hilmo [MS] (wadeh_at_microsoft.com)
Date: 10/28/04
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Date: Thu, 28 Oct 2004 11:02:11 -0700
Hi blog,
There is no setting in IIS to control this. It is possible that a filter or
application could be causing it, but I suspect that it's more likely that
there is a problem with the data that your application is actually sending.
If you want to verify this, check out the httperr log file in the
%windir%\system32\logfiles\httperr directory. If http.sys is failing the
request due to a problem with the protocol, the error will show up here.
If I were to make a complete guess at this, I would suspect that your
application is sending a data stream that is not really simple HTTP. The
most common error that I've seen is when the client tries to terminate the
status line (or a header line in later HTTP versions) with just a line feed,
instead of the carriage return and line feed that the specification calls
for. IIS 5 tended to be pretty forgiving of errors like this in the
protocol, while http.sys (which is used by IIS, but not really a part of
IIS) is very strict about this.
I hope that this helps,
-Wade A. Hilmo,
-Microsoft
"blog" <gdf@ff.com> wrote in message
news:e$hor8LvEHA.2316@TK2MSFTNGP15.phx.gbl...
> Hi,
> we are using an old tool for monitoring which does GET requests against an
> asp page with protocol HTTP 0.9. IIS returns error 400
> Doing manaually the same request using protocol HTTP 1.1 or 1.0, it works.
> Could it be a setting in IIS ?
>
> notice that the same tool does requests against IIS 5 with no problem.
>
> tks,
> Fred.
>
> "Wade A. Hilmo [MS]" <wadeh@microsoft.com> wrote in message
> news:ewU4u0EvEHA.3808@TK2MSFTNGP15.phx.gbl...
> > Hi blog,
> >
> > IIS 6 should support simple HTTP. I just used telnet to connect to my
> > server's port 80 and sent the following and it worked fine:
> >
> > GET /file.htm\r\n\r\n
> >
> > What is the problem that you are seeing?
> >
> > Thank you,
> > -Wade A. Hilmo,
> > -Microsoft
> >
> > "blog" <gdf@ff.com> wrote in message
> > news:#4dzvGEvEHA.3080@TK2MSFTNGP12.phx.gbl...
> > > Hi,
> > > it seems IIS 6 is not compatible with protocol http0.9. I can't find
any
> > > information on the microsoft site regarding this issue. Can someone
> helps
> > me
> > > ? we still have an old (very) program using protocol 0.9 .
> > > Thanks.
> > >
> > >
> >
> >
>
>
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