[asterisk-users] SIP client floods port 5060 and gets blocked

[Jonas Kellens]

On 10/28/2010 12:52 PM, Gordon Henderson wrote:
> On Thu, 28 Oct 2010, Jonas Kellens wrote
>> On 10/28/2010 10:44 AM, Kevin Keane wrote:
>>      
>>> I assume that you checked and the remote IP is a legitimate IP phone? If
>>> not, it could be an attempt to break into your system.
>>>
>>> If it is a legitimate IP phone, make sure that the SIP configuration is
>>> correct -- if the SIP authentication fails, you can see this happening.
>>>
>>>        
>> 1. This is a legitimate phone, yes.
>> 2. Registration goes as follow : REGISTER>  SIP/2.0 401 Unauthorized>
>> Re-Register with Digest>  200 OK
>>      
> Is it s Snom phone?
>
> I've seen Snoms do this...
>
> Gordon
>    

I have this with Snom 320, Snom 370, Grandstream GXW4008 and YeaLink T28...


Jonas.