Port 15675 and 15670 not connecting from a remote IP

[Manoj Prabhakaran]

Bit of background: I established Rabbitmq broker through AGOSTO IOT adapter from cloud launcher service in Google Cloud Platform. Rabbitmq management UI , Rabbitmq mqtt plugins are established and communication is Successfully established on

1).1883 port for mqtt.(tested with MQTT Lens, Paho lib supportede python application)
2).15672 port for Rabbitmq Management webpage.(can able to login to the hosted website)

Real Problem: My application also needed MQTT OVER WEBSOCKETS. So I followed the guide provided on "https://www.rabbitmq.com/web-mqtt.html" and I enabled plugins rabbit_web_mqtt and even rabbit_web_mqtt_examples

Now when I try to connect either the web socket through paho client utility with all the credentials "http://www.eclipse.org/paho/clients/js/utility/" on 15675 or the webpage for mqtt_examples on 15670,

3).15675 port for rabbit_web_mqtt.(listening)
4).15670 port for hosting rabbit_web_mqtt_examples website(listening)

I get a AMQJSC0001E ERR_CONNECTION_TIMED_OUT.

 Then I was trying to check telnet commad from remote SSH and i tried both local IP telnet test command and foreign IP telnet test command. I found that it responds with local IP telnet test, and when in testing in terms of foreign IP test still showing connection timed out. May be we need to configure to accept foreign entries as well. 

    Testing port that hosts Rabbit Management UI              Testing port that hosts Rabbit Web Mqtt              Testing port that hosts Rabbit Web Mqtt Examples

    (local Addresss)>telnet 0.0.0.0 15672                             >telnet 0.0.0.0 15675                                >telnet 0.0.0.0 15670

    (Foreign Address)>telnet <My_IP_address> 15672                     >telnet <My_IP_address> 15675                        >telnet <My_IP_address> 15670

What I can do to enable that port and accept my requests?How to connect through remote IP ? Any changes in configuration file needed ? If I change/add in the configuration file for only port 15670 and 15675, will other ports affect?

I already posted these in previous questions but no response.. Sorry If you find this repeatitive..

Thanks ,

Manoj Prabhakaran R

[Karl Nilsson]

Hi,

Is there a firewall in place? Do you see anything in the server logs when trying to connect from a remote IP. Are you using guest/guest to connect or have set up another user? guest/guest will only work from the local machine as noted in the documentation: https://www.rabbitmq.com/web-mqtt.html

Cheers

Karl

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Karl Nilsson

Pivotal/RabbitMQ

[Michael Klishin]

This is a continuation to https://groups.google.com/d/msg/rabbitmq-users/ZyExWDUe3ks/Yo33l0h_BAAJ.

According to the screenshot telnet fails to connect to [hostname] 15675 and [hostname] 15670.

How exactly ports are open depends on the operating system. First you can verify what

ports RabbitMQ is listening on using `rabbitmqctl status` (under the `listeners` section)

and `netstat` [1].

We cannot know what kind of firewall (or proxy) is used on the target server. Chances are it is

iptables [2] on Linux. Consider contacting an administrator who might be able to help you with

this. If there's no such person, [2] should be a decent starting point for inspecting the rules your

server has in place.

1. https://superuser.com/questions/529830/get-a-list-of-open-ports-in-linux

2. http://www.putorius.net/2011/05/basic-of-iptables-opening-ports-on.html

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MK

Staff Software Engineer, Pivotal/RabbitMQ

[Michael Klishin]

We added a section on network connectivity troubleshooting to http://www.rabbitmq.com/networking.html.

While it's not particularly specific to RabbitMQ, we figured documenting the

methodology we recommend over and over might save everyone some time.

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MK

Staff Software Engineer, Pivotal/RabbitMQ

[Micrologix RD]

Hi Guys,

The Problem is in the firewall rules of then cloud server, I enabled it and now its working fine. Thanks for all your guidance.

Thank you guys , Micheal Klishin and Karl Nilsson .

Thanks,

Manoj Prabhakaran R.

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MK

Staff Software Engineer, Pivotal/RabbitMQ