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JGALT

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Is ther a clear-cut way of blocking HTTP file uploads to website that are allowed to be viewed / accessed by users?

Users in our network are allowed to view Image Sites (e.g. photobucket, photolibrary, istockphoto) to research on designs. BUT they are NOT suppose to upload any image files from the company to these sites.

1.) I have blocked all forms of FTP access.
2.) I have blocked all possible URL strings that has the words "upload", submit, etc..
3.) Blocked their ability to log-in / register to such sites.
4.) Tried using FTP policies in KERIO.
5.) Even used antivirus policies / rules with the Built-in Mcafee.

But still, some users are very "resourceful" and able to sneak out image files and uploaded them to Image websites.

Can't blocked Javascripts, applets, and/or HTML tags since this would affect the viewing of a lot of legitimate sites.

Any advice on how to COMPLETELY block HTTP file uploads would be most appreciated.
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JGALT

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Guys.....any comments?
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feite

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I would like to but I cannot think of a solution, sorry.
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KCAP

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add some quota rules,
for a day surfing 20mb? (download, so upload will be far less)
so everything above is 'private' abuse, and if not come by the it-office or so....

Teun

Teun
KCAP [NL]
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