Re: HTTP 400 - Bad Request

Tech Tip: Click here to run a free scan for Windows Errors and optimize PC performance

From: Dave Munday (thehappymundays_at_hotmail.com)
Date: 09/21/04 

Date: Tue, 21 Sep 2004 20:37:56 +0200

David
many thanks again for your tip I'll go about producing a trace and disabling
the show friendly errors hopefully tomorrow

again thanks for your time

Dave

"David Wang [Msft]" <someone@online.microsoft.com> wrote in message
news:%232H$D4vnEHA.3968@TK2MSFTNGP11.phx.gbl...
> Windows Server 2003 comes with Network Monitor, available as a Windows
> Component in Add/Remove Programs, "Networking Tools". You can install it,
> enable it on the appropriate network interface, and set it to sniff for
> traffic matching a variety of filters. It's pretty powerful; the UI gets
> the job done but won't win any awards for helping you figure out how
things
> work. You pretty much have to know what you are doing.
>
> --
> //David
> IIS
> This posting is provided "AS IS" with no warranties, and confers no
rights.
> //
> "Dave Munday" <thehappymundays@hotmail.com> wrote in message
> news:uNcJR7knEHA.592@TK2MSFTNGP11.phx.gbl...
> David
>
> many thanks for your support. I shall start tomorrow on trying to gt to
the
> bottom of this.
>
> Can you advise on the taking of the network trace
>
>
> thanks
>
> Dave
>
>
> "David Wang [Msft]" <someone@online.microsoft.com> wrote in message
> news:O69LU$SnEHA.3756@TK2MSFTNGP11.phx.gbl...
> > Umm, none of those settings have ANYTHING to do with a 400 Bad Request.
> >
> > 400 Bad Request indicates something wrong with the request when it is
> > parsed, and IIS never bothered to execute it. All the areas that you
> pointed
> > out requires IIS to execute the request (to even care about
> authentication,
> > execute permissions, or file ACLs) -- thus they have to be completely
> > irrelevant by definition.
> >
> >
> > 400 bad request typically indicate a client-side issue since it is the
one
> > that is sending the bad request. The server is simply informing the
user
> of
> > that fact by returning a 400 error.
> >
> > 400 Bad Requests are best troubleshoot by taking a network trace of the
> > "bad" request and see what is wrong with it (post the capture to this
> > newsgroup if you cannot read HTTP). This requires the cooperation of
> > whoever is getting the "400 Bad Request" -- because everyone else will
be
> > perfectly unaffected.
> >
> > As for the "Page not found" errors -- those require you to turn off the
> > browser's "Show Friendly HTTP Errors" option and retrieving the actual
> error
> > code. Please post the actual error code and we can proceed further.
> >
> >
> > You have to do these basic things to troubleshoot -- randomly changing
> > settings will not help and can harm.
> >
> > --
> > //David
> > IIS
> > This posting is provided "AS IS" with no warranties, and confers no
> rights.
> > //
> > "Craig" <anonymous@discussions.microsoft.com> wrote in message
> > news:35e401c49d16$0411e720$a601280a@phx.gbl...
> > Hello Dave,
> >
> > I know this issue. Please check your IIS website name
> > settings in the following areas.
> >
> > - IIS Authenication
> > - IIS Scripts and Executibles
> > - Windows System Folder Permissions
> >
> > If you would like to correspond further, I have created a
> > temporary email address you can contact me at:
> >
> > DAVE3-CONTACT-CRAIG@GNIS.NET
> >
> > Sincerely,
> >
> > Craig
> >
> > >-----Original Message-----
> > >Hello folks, I may not be in the right place so
> > apologies if not
> > >
> > >I have a small IIS 6.0 site on my Windows 2000 server
> > that is used to
> > >require user acceptance of school rules prior to
> > accessing the Internet.
> > >This works fine and 95% of web browsing is okay. However
> > we often get the
> > >HTTP 400 - Bad Request message and pages not found. When
> > I come home the
> > >same page displays as expected.
> > >
> > >Can anybody please point me in the right direction for
> > addressing this
> > >
> > >Thanks
> > >
> > >Dave
> > >
> > >
> > >.
> > >
> >
> >
>
>
>

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