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External Access to File Server using ISA 2006

Posted on 2008-10-13
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Last Modified: 2012-05-05
I have ISA 2006 that is publishing SharePoint I have a separate file server that has a share drive. I want to have the file server accessible externally without using a VPN or publishing the documents to SharePoint. What is the easiest way to publish a file server externally with ISA 2006?

Both servers are on the same domain and subnet.
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Question by:tmorrison3
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7 Comments
 
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Expert Comment

by:Keith Alabaster
ID: 22708819
The easiest way is obviously to do this through Sharepoint as a list.
The next easiest is either as a web site or as an ftp service.

As I am sure you already know, smb access to the files is not a starter.
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by:tmorrison3
ID: 22711023
I decided to create a virtual directory in IIS on thefile server and point it to a shared drive. I published this website via ISA and access it by logging into SharePoint - I can see the shared files and open and save them back! (Enabled WebDAV) However when I open a file it asks me to re-authenticate? I have the ISA SharePoint set as NTLM, I have the web publishing rule set as NTLM, and I have the virtual directory set as NTLM. However, the additional log in box refers to basic authentication. If I can get the additional log in box to go away, I am all set (after a figure out a CSS I found to make it look pretty) - Any ideas?
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by:Keith Alabaster
ID: 22713678
The reauthentication is because you are accessing a file on a server share that you have not yet authenticated to already.

lol - CSS - I hate it (read as don't understand it) and all my own sites look crap :)

I assume you are NOT running SSO on Sharepoint?
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Author Comment

by:tmorrison3
ID: 22713752
Why isnt ISA passing through the authentication? I have a few other IIS websites that require NTLM authentication and it works fine - being passed after authenticating via ISA into SharePoint. I hope that makes sense.
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Keith Alabaster earned 500 total points
ID: 22713806
Yes it does - but the result doesn't

Two things
I assume you have covered the permissions at both the IIS and the share level and compared these to other, existing access points?
open the ISA gui - select monitoring - logging - start query
Compare the log results from a call to a working location against the log results for a call to the one requiring authentication. Anything different seen?
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by:tmorrison3
ID: 22715746
Ok - I ran monitoring in ISA 2006 as I was acessing the File Share via SharePoint. It would pass NTLM through to the publish file share - then when I tried to open a file - it attempted to pass Anonymous access request - then ISA would deny the connection. I fiddled around with IIS on the file share and ISA and got it working - i can not access a file server via ISA and logging into SharePoint - open/edit/save. Thanks for nudge.

Now on to CSS:
http://mvolo.com/blogs/serverside/archive/2007/01/21/Get-nice-looking-directory-listings-for-your-IIS-website-with-DirectoryListingModule.aspx 
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by:Keith Alabaster
ID: 22715810
Thanks and well done :).

It is really refreshing to find someone who is actively trying to fix it themselves and just wants 'a nudge' rather than the extremely frequent 'Tell me exactly what to type and how to do this because I cannot even be bothered to try it myself'

Regards

Keith
ISA MVP
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