Re: IE cannot open MS Office files over SSL connection, no problem in Firefox




<spivee@xxxxxxxxxx> wrote in message
news:1134599133.479453.189710@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>I have an odd issue, not sure which group to post it in since it
> involves IE, Word Documents, Apache, Tomcat etc, but here goes...
>
> I have a secured web environment running Apache 1.3.33 and Tomcat 5.5.9
> on a RedHat Linux server. On one page of our java application, we have
> stored some reference documentation including pdf files, xls files, doc
> files txt files etc.
>
> When users using IE (generally IE5.5, 6.0 or 6.0Sp1) try to download
> any Microsoft Office type files from this page, either to view them or
> to right click and save-as them, they get the error
>
> "Internet Explorere cannot download thefile.doc from yourserver.com.
> Internet Explorer was not able to open this Internet site. The
> requested site was either unavailable or cannot be found. Please try
> again later."
>
> These users can download any other types of files from this page (i.e.
> gif, jpeg, txt, html, pdf etc)
>
> We have some users that use Firefox and they have no issues downloading
> any files from this page.
>
> We have a development environment that differs mostly in that it is not
> secured. From this site, there is no problem with downloading the
> files. I've found references on the MS Support site about registry
> edits to disable caching that didn't work for me (setting
> BypassHTTPNoCacheCheck to 1) and others that said it was a result of
> having Cache-control: no-cache,max-age=0,must-revalidate in the
> headers. I printed my headers and found cache-control: max-age=0, but
> only on the non-ssl site. The SSL site doesn't print this value. I
> tried setting a response.setHeader("cache-control", "max-age=15") but I
> know next to nothing about this and am just guessing.
>
> Sorry to ramble so much... Any one have an idea? Am I on the right
> track here or what?
>

Some tips from http://blogs.msdn.com/ie/archive/2005/10/22/483795.aspx

<quote>
1. If your site requires SSLv2, please reconfigure it to permit SSLv3 or
TLSv1 connections.

2. Ensure that the hostnames used for your secure pages exactly match the
hostname in your digital certificate. For example, using the certificate
for www.example.com on secure.example.com will result in an error page.

3. If your site supports TLS, please ensure that it has a
standards-compliant implementation of TLS that does not fail when extensions
are present. Testing for a non-compliant TLS server is as simple as
navigating to any HTTPS page on the server using IE7 on Vista Beta 2. If
IE7 fails to connect, TLS extensions are the most likely culprit.
</quote>

This doesn't directly address your problem of why only certain types of
files are failing, but it seems like a good starting point for gathering
more data on the problem.

- Oliver


.



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