[Freeswitch-users] running mod_gsmopen on a separate system

[Mietek Sześniak]

Thanks a lot, guys!



On Wed, May 13, 2015 at 3:33 PM, Daniel Ivanov <sertys at gmail.com> wrote:

> Yeah, you're correct but i can believe there can be some ACL or
> whitelisting implemented on kernel module level. Keep in mind the USB modem
> comm is just a bunch of serial consoles and you mitigate the problem of
> DMA(direct memory access) if you just choose to relay that class.
>
> On Wed, May 13, 2015 at 4:19 PM, Sergey Safarov <s.safarov at gmail.com>
> wrote:
>
>> Passing USB messages via USBIP equal inserting dongle to FS host. It is
>> not solves security questions.
>>
>> Sergey
>>
>> On Wed, May 13, 2015 at 4:02 PM, Daniel Ivanov <sertys at gmail.com> wrote:
>>
>>> Yeah, that is what we do basically. Get our modems hooked to a raspberry
>>> pi with freeswitch and route the calls&sms via sip to the endpoints.
>>>
>>> Giving it a little thought though gave me that :
>>> http://usbip.sourceforge.net/
>>>
>>> It's a simple encapsulation of usb messaging over IP which is
>>> transferred to a kernel module acting as a virtual host controller. Haven't
>>> tested it, but be sure to post some feedback if you give it a spin.
>>>
>>> On Wed, May 13, 2015 at 2:32 PM, Giovanni Maruzzelli <gmaruzz at gmail.com>
>>> wrote:
>>>
>>>> A separate instance of Freeswitch on second machine, and two machines
>>>> talk each other via sip.
>>>> -giovanni
>>>>
>>>> sent from my mobile,
>>>> Giovanni Maruzzelli
>>>> cell: +39 347 266 56 18
>>>> On May 13, 2015 1:22 PM, "Mietek Sześniak" <
>>>> mietekszczesniak2503 at gmail.com> wrote:
>>>>
>>>>> I'd like to use FreeSWITCH as my private bridge between SIP and GSM.
>>>>>
>>>>> However, I consider USB modems to be a security threat, since they
>>>>> frequently have their own storage (can work as pendrives), have a black-box
>>>>> baseband and are hardly ever patched.
>>>>>
>>>>> For that reason, I'd like to connect my USB modem to a separate
>>>>> machine (maybe an OpenWRT router) and connect that machine to my main
>>>>> FreeSWITCH machine over Ethernet.
>>>>>
>>>>> How would I set that up? Can mod_gsmopen be run alone, or would I have
>>>>> to install a separate instance of FreeSWITCH on that second machine?
>>>>>
>>>>> Thanks!
>>>>>
>>>>> PS. I'm still trying to wrap my head around FreeSWITCH, so please be
>>>>> forgiving. :)
>>>>>
>>>>>
>>>>> _________________________________________________________________________
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>>>>>
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>>>>
>>>>
>>>> _________________________________________________________________________
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>>>> http://www.freeswitchsolutions.com
>>>>
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>>>>
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>>>
>>>
>>> _________________________________________________________________________
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>>> http://www.freeswitchsolutions.com
>>>
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>>
>>
>> _________________________________________________________________________
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>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
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>>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
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