[rabbitmq-discuss] OOM kill

Dmitry Andrianov dmitry.andrianov at alertme.com
Sat Mar 8 14:54:08 GMT 2014

Well, creation of exchanges and queues we can at least control with some auth plugin so we can try protecting from these types of DOS. However with connections there seem to be no way to solve it. If no ulimit is used - we are susceptible to that OOM DOS. And if we set ulimit, it is still possible to DOS us - Rabbit won't die but won't accept connections from consumers either.

I will look into limiting connections by the means if OS or Amazon ELB but it feels like that kind of DOS protection should be part of Rabbit itself.


> On 8 Mar 2014, at 13:04, Matthias Radestock <matthias at rabbitmq.com> wrote:
>> On 08/03/14 12:18, Dmitry Andrianov wrote:
>> But that means that is possible to DOS any internet facing Rabbit...
> It is one of *several* ways to DOS a rabbit. Creating lots of exchanges/bindings/queues is another one, for example.
>> Are there any mechanisms in RabbitMQ to listen on two ports or
>> network addresses at the same time
> Yes. See tcp_listeners in https://www.rabbitmq.com/configure.html#config-items.
>> while being able to set independent connection limits on these?
> No, but firewalls should be able to do that.
> Regards,
> Matthias.
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