Random HTTP/1.1 403 Forbidden

[GordonS]

When redirecting an ASP page using the following code:
document.location.href =
"MatterBalanceDetails2.asp?matterdiwor=<%=Request.QueryString("matterdiwor")%>" & _

"&balancecode=<%=Request.QueryString("balancecode")%>" & _

"&balancename=<%=Request.QueryString("balancename")%>" & _

"&posted=<%=Request.QueryString("posted")%>" & _

"&billed=<%=Request.QueryString("billed")%>" & _

"&startdate=<%=Request.QueryString("startdate")%>" & _

"&enddate=<%=Request.QueryString("enddate")%>" & _
"&transdiwor=" &
lTransDiwor & _

"&mattername=<%=Server.URLEncode(msMatterName)%>" & _

"&mattercode=<%=Server.URLEncode(msMatterCode)%>" & _

"&location=<%=msLocation%>"

I sometime get a “HTTP/1.1 403 Forbidden†error

The address in the window title looks correct. However looking at the IIS
log file the URL has no GET or POST, but instead has a spurious number of
characters as follows:

2008-02-21 08:42:17 192.0.0.46 PILSYS\DarrenB 192.0.0.70 80
%09%09%09%09%09%09%09%3Cxsl%3Aattribute+name%3D%22class%22%3Etext_small+text_strong%3C%2Fxsl%3Aattri
/lwc/ClientMatterEnquiry/MatterBalanceDetails2.asp
matterdiwor=28815&balancecode=WIP&balancename=Work%20in%20Progress&posted=&billed=&startdate=&enddate=&transdiwor=531&mattername=Mrs+Elaine+Mowat&mattercode=MOW%2F0001%2F00001&location=Client%20Matter%20Enquiry%20|%20Matter%20Accounts
403
Mozilla/4.0+(compatible;+MSIE+7.0;+Windows+NT+6.0;+SLCC1;+.NET+CLR+2.0.50727;+.NET+CLR+3.0.04506;+InfoPath.2)

Any ideas why this is happening?

 

[Steven Cheng]

Hi Gordon,

From your description, you use client script to do redirection in ASP page,
however, sometimes you'll get 403 forbidden error on that page redirection
,correct?

Does the problem occur very often? Based on the code snippet you provided,
the URL to redirect is dynamically constructed from some variables. Thus, I
think it possible that some part of the URL is encoded into some certain
characters that are invalid to the server(so the server return forbidden
error). If possible, I would suggest you try simplify the url construction
and test with different data to see whether a certain kind of
variables(that construct the url) can result to such behavior.

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead



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