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jonte

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My boss wants to email small "funny" .wmv videos, and getting mad because they are filtered in out Kerio Connect. (they should be banned from the entire internet according to me Wink

1) What is the reason for having this filter as default setting in Kerio Connect?
2) Can someone help me with arguments why I shouldn't remove the filter for *.wm? files?
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marook

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Because email is not FTP? Wink

Regards,

Jakob Peterhänsel
Consultant - Humac A/S

Apple Certified Support Professional (ACSP)
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Pavel Dobry (Kerio)

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Email attachment filter is not enabled by default. So it's on the server administrator whether the filter will be enabled or not and what files are blocked. Pre-defined list contains some common file extensions and it is based on years of experience from system administrators. There is no real threat from .wmv files except the size of such "funny" videos.
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jonte

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I lost the case, had to enable it. Sad
I didn't have enough information about it.

But I'm sure I haven't added the around 30 content filters on the list, and I am the only administrator, so it has to been there by default. The question is why in the case of .wm?

What was the thoughts at Kerio when adding this default filter? (not implying it was wrong)
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cloud2

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jonte wrote on Tue, 01 February 2011 15:31
I lost the case, had to enable it. Sad
I didn't have enough information about it.

But I'm sure I haven't added the around 30 content filters on the list, and I am the only administrator, so it has to been there by default. The question is why in the case of .wm?

What was the thoughts at Kerio when adding this default filter? (not implying it was wrong)


what part of: 'Email attachment filter is not enabled by default' don't you get?
I have never seen the attachement filter being enabled by default you must have done it yourself.

And for .wm files.
It is there so users won't be able to send large 'funny' video's to their family and co-workers and put a load on your network.
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jonte

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I am talking about the list in the attached screen dump. The content of the list, not the "enable attachment filter" check box.

This list is populated by default values. I'm sure you're right about the check box.

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rigo

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just uncheck that extension, done!

if you want to know more about the extension just research it, done.
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jonte

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its the research I'm doing. My question was how Kerio thoughts was when adding this. All the others I can understand without further explanation, but not this one. Since all the others has good reasons to be on this list, I thought there might be a reason for this as well, that I don't know about.
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rigo

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all files can be spoofed--by default they are on the list, it is up to an administrator to make things fit on your environment
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winkelman

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jonte wrote on Tue, 01 February 2011 17:19
its the research I'm doing. My question was how Kerio thoughts was when adding this. All the others I can understand without further explanation, but not this one. Since all the others has good reasons to be on this list, I thought there might be a reason for this as well, that I don't know about.


These are the reasons for blocking wmv files:

Quote:
because email is not FTP

the size of such "funny" videos

so users won't be able to send large 'funny' video's to their family and co-workers and put a load on your network


It's up to you to decide if these are reasons enough to block wmv. (And yes, it is possible for a virus to be transmitted within a wmv file... Google 'virus in wmv file' for some info on that.)

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