[rabbitmq-discuss] Firewall Issues

[Kenneth Loafman]

What erlang ports?  Just 5672:tcp.

...Ken

Matt Calder wrote:
> Ken,
> 
> Are the erlang ports open?
> 
> Matt
> 
> On Mon, May 10, 2010 at 10:21 AM, Kenneth Loafman <kenneth at loafman.com> wrote:
>> Nope, just a single node service at this point.  P1 and P2 do not even
>> have RabbitMQ installed, they are just MQ clients.  I should have noted
>> that in my original message.
>>
>> The process has worked well for months prior to adding the firewall.
>>
>> ...Ken
>>
>> Matt Calder wrote:
>>> Ken,
>>>
>>> It looks like you are setting up a cluster, if so, are they sharing
>>> the same cookie?
>>>
>>> I just went through starting a cluster here is my step-by-step:
>>>
>>> 1) Start a cluster of rabbits.
>>> Assume cluster is on: hostA, hostB (for example)
>>>
>>> # The rabbitmq processes must be running with the same cookie
>>> hostA> sudo rabbitmqctl stop
>>> hostA> sudo /etc/init.d/rabbitmq-server stop
>>> hostA> sudo rm ~rabbitmq/.erlang.cookie
>>> hostA> sudo echo ABC123 | sudo tee ~rabbitmq/.erlang.cookie
>>> hostA> sudo chmod 400 ~rabbitmq/.erlang.cookie
>>> hostA> sudo chown rabbitmq ~rabbitmq/.erlang.cookie
>>> hostA> sudo chgrp rabbitmq ~rabbitmq/.erlang.cookie
>>> hostA> sudo /etc/init.d/rabbitmq-server start
>>>
>>> repeat for hostB
>>>
>>> # On join hostB to hostA
>>> hostB> sudo rabbitmqctl stop_app
>>> hostB> sudo rabbitmqctl reset
>>> hostB> sudo rabbitmqctl cluster rabbit at hostA
>>>
>>> Hope that helps.
>>>
>>> Matt
>>>
>>>
>>> On Mon, May 10, 2010 at 10:05 AM, Kenneth Loafman <kenneth at loafman.com> wrote:
>>>> Hi,
>>>>
>>>> I've got RabbitMQ up on three machines and wanted to add a firewall.
>>>> The configuration is simple, MQ serves input to P1 and P2 which do all
>>>> the processing.
>>>>
>>>>       MQ
>>>>      /  \
>>>>    P1    P2
>>>>
>>>> I opened the port 5672:tcp on all machines and between two machines, MQ
>>>> and P1, that seems to work.  When I added P2, it immediately got a
>>>> 'connection refused' message.  All machines are running Ubuntu 9.10 and
>>>> rabbitmq-server 1.7.2.  P1 and P2 are identical as far as I can tell.
>>>>
>>>> Any help would be appreciated.
>>>>
>>>> Thanks,
>>>> ...Ken
>>>>
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>>>>
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