[asterisk-users] being bombarded with SIP packets

[Per Jessen]

Norbert Zawodsky wrote:

>   Am 28.10.2010 09:41, schrieb Per Jessen:
>> Over the last two weeks, we have had at least two "incidents" where
>> our asterisk server got flooded (a hundred or more per second) by SIP
>> packets.  Once from 114.31.50.10, second time from 173.212.200.146. 
>> We became aware of the problem when bandwidth started suffering
>> because asterisk got very busy sending back replies or rejects (dunno
>> which, I didn't investigate it any further).
>> The immediate issues were dealt with by having the firewall drop
>> those packets, but I was wondering:
>>
>> 1) if anyone has seen the same problem, and
>> 2) if you've got some iptables rules for limiting inbound SIP by
>> rate? (or some such).
>>
>>
>> thanks
>> Per Jessen, Zürich
>>
> Hello Per,
> 
> (iptables) rule #1: search the archives !!!!
> You will find nearly as many postings about that problem, as your
> server SIP packets received ... ;-)

Thanks Norbert - I should take my own medicine, I'm usually the first to
suggest searching the archives.



/Per Jessen, Zürich

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