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Filtering File Uploads

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Filtering File Uploads - 21.Dec.2009 4:46:39 AM   
strikingknife

 

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Hi,

In ISA 2006 is it possible to block the html file uploads for certain file extensions. ?

For example, i dont want users to upload files in thier webmail and other website with file extensions .exe, .tz and i want to allow only files with extensions like .txt, .doc.

Thanks in advance


Post #: 1
RE: Filtering File Uploads - 21.Dec.2009 5:16:18 AM   
Jason Jones

 

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Joined: 30.Jul.2002
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http://technet.microsoft.com/en-us/library/cc302627.aspx

You should be able to apply a HTTP filtering policy to outbound web access rules for that file type...

Cheers

JJ

_____________________________

Jason Jones | Forefront MVP | Silversands Ltd
My Blogs: http://blog.msedge.org.uk/ and http://blog.msfirewall.org.uk/

(in reply to strikingknife)
Post #: 2
RE: Filtering File Uploads - 21.Dec.2009 8:25:47 PM   
strikingknife

 

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Joined: 21.Dec.2009
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Hi JJ,

Thanks a lot for your reply.

Just a quick check, the configuration stated in technet is for ISA 2004, is it the same for ISA 2006 as well ? . I dont have previous experinece in ISA, pls dont mistake my question.

Kindly advise,

< Message edited by strikingknife -- 21.Dec.2009 8:50:35 PM >

(in reply to Jason Jones)
Post #: 3
RE: Filtering File Uploads - 22.Dec.2009 5:40:36 AM   
Jason Jones

 

Posts: 4663
Joined: 30.Jul.2002
From: United Kingdom
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Yeah, same concepts for ISA2k6; I don't think they bothered to update the versioning.

Shout if you get stuck...

Cheers

JJ

_____________________________

Jason Jones | Forefront MVP | Silversands Ltd
My Blogs: http://blog.msedge.org.uk/ and http://blog.msfirewall.org.uk/

(in reply to strikingknife)
Post #: 4
RE: Filtering File Uploads - 5.Feb.2010 7:58:39 AM   
lsjames

 

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When i add ".EXE" in Extensions. Users can not download .exe files from website, but they still can upload .exe files in their webmail.

(in reply to Jason Jones)
Post #: 5
RE: Filtering File Uploads - 5.Feb.2010 8:12:35 AM   
Jason Jones

 

Posts: 4663
Joined: 30.Jul.2002
From: United Kingdom
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It depends on how the webmail applications works I guess...

_____________________________

Jason Jones | Forefront MVP | Silversands Ltd
My Blogs: http://blog.msedge.org.uk/ and http://blog.msfirewall.org.uk/

(in reply to lsjames)
Post #: 6
RE: Filtering File Uploads - 5.Feb.2010 9:05:39 AM   
lsjames

 

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I think Extensions filtering is only match URL.
If you add ".EXE" to extensions tab, users can not download http://www.webserver.com/abc.exe
But when users upload ".exe" file, the URL is not ended with ".exe". So users still can upload their files.

< Message edited by lsjames -- 5.Feb.2010 9:10:49 AM >

(in reply to Jason Jones)
Post #: 7
RE: Filtering File Uploads - 7.Feb.2010 2:51:36 AM   
lsjames

 

Posts: 30
Joined: 6.Apr.2007
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I used another software called active wall to solve this problem. Thank you.

(in reply to lsjames)
Post #: 8

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