There are other systems running on the same hardware. It would just
leave open ports here.

Do not compare SIP ALG on a closed source device to an opensource
software with active development. I had no such problems in the past
when using iptables. The nftables is a pretty new software, so some
bugs could be present and I accept. I just wanted to be sure I am not
doing anything wrong. Now I am pretty sure it is a bug.

Thanks

Marek


2021-09-09 18:30 GMT+02:00, Administrator <ad...@tootai.net>:
>
> Le 09/09/2021 à 18:15, Marek Greško a écrit :
>> There is always some risk. If there is a solution that should work, it
>> is best to use it. We just need the root cause, why it fails
>> sometimes.
>
> Like SIP ALG ? ;) Please explain which risk are existing if there is
> nothing listening on those ports ?
>
>>
>>
>> 2021-09-09 18:01 GMT+02:00, Antony Stone
>> <antony.st...@asterisk.open.source.it>:
>>> On Thursday 09 September 2021 at 17:56:10, Marek Greško wrote:
>>>
>>>> Hello,
>>>>
>>>> I would not like to open whole range of udp ports for rtp.
>>> Why not?  What is the risk?
>>>
>>> What would possibly be listening on UDP ports 10000 - 20000 (the Asterisk
>>> default range) which an external scanner / attacker could make use of?
>
> --
> Daniel
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