NovAlf Acclaimed Contributor.
Acclaimed Contributor.
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Disable USB access for phone

Hi!
ZCM 17.4. We have at site disabled access to USB mass storage devices, but I was told that user behind a computer with this kind of restriction still can very much use phone storage. (Well, haven’t seen this by myself, though.) If so?, how to restrict this kind of approach keeping in mind that we need to keep access for USB mouse, keyboard etc. stuff, but prohibit unrestricted file copy to or from USB device? Perhaps disabling everything and trying to describe, if possible, devices we allow?, meaning HIDs etc. Will be difficult, I imagine.
Any experiences out there?
More thanks, Alar.
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Knowledge Partner
Knowledge Partner

Re: Disable USB access for phone

On 18.04.2019 08:26, NovAlf wrote:
>
> Hi!
> ZCM 17.4. We have at site disabled access to USB mass storage devices,
> but I was told that user behind a computer with this kind of restriction
> still can very much use phone storage. (Well, haven�t seen this by
> myself, though.) If so?, how to restrict this kind of approach keeping
> in mind that we need to keep access for USB mouse, keyboard etc. stuff,
> but prohibit unrestricted file copy to or from USB device? Perhaps
> disabling everything and trying to describe, if possible, devices we
> allow?, meaning HIDs etc. Will be difficult, I imagine.
> Any experiences out there?
> More thanks, Alar.
>
>

Most Phones don't present themselfs as Mass Storage, but instead as PTP
Device. Thus, in your ZESM policy, you may try to disable the
scanning/printing (PTP) class.

CU,
--
Massimo Rosen
Micro Focus Knowledge Partner
No emails please!
http://www.cfc-it.de
CU,
--
Massimo Rosen
Micro Focus Knowledge Partner
No emails please!
http://www.cfc-it.de
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Micro Focus Expert
Micro Focus Expert

Re: Disable USB access for phone

Note: ZCM 17.4 FRU1 will have some fixes around the blocking of "mass storage devices".
Not sure if that would relate to your issue.
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