[rabbitmq-discuss] Firewall Issues

[Kenneth Loafman]

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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>