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As in the title:
What is the recommended port for MQTT over Websocket?
There isn't a registered port for MQTT over Websockets as there is for native MQTT.
But as with all Websocket based transports the default ports should probably match http/https (80/443) since these are the underlying transports that are used to bootstrap a Websocket connection. These ports are most likely to be open by default on any firewall (at least for outbound connections) and also the ports likely to be transparently proxied if needed.
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Is there a way to use MQTT as a transport in MassTransit?
I would kike to use MQTT instead of RabbitMQ, because the latter requires a bit more complicated install process, and an app using RabbitMQ as a transport would be difficult to deploy.
MassTransit does not support MQTT, the supported transports include:
RabbitMQ
Azure Service Bus
ActiveMQ (Amazon MQ)
Amazon SQS
There are no plans to support MQTT at this time or in the foreseeable future.
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How do I connect from OpenWrt with ShadowSocks to my server and redirect all traffic through that connection?
I have a ShadowSocks server running on my server. Its working (as tested with my laptop).
Now I want to configure this on my GL-MT300A with OpenWrt. There is the ShadowSocks section in the OpenWrt config, but I don't know what to setup for Transparent Proxy, SOCKS5 Proxy and Port Forward.
I did add my ShadowSocks server under "Servers Manage", with the details I would otherwise have in my shadowconfig-client.json file.
All services (Transparent Proxy, SOCKS5 Proxy and Port Forward) are listed above as NOT RUNNING (see image). How do I start those or do I need those for my ShadowSocks client anyways?
I contacted support, and there seems to be an issue with MT300x models. You solve this by running the following from ssh on your router:
ln -s /usr/lib/libsodium.so.13.1.0 /usr/lib/libsodium.so.18
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I am trying to setup HMA VPN my remote server on Amazon EC2 machine (Ubunutu 12.04.02), so that the ip of the outgoing traffic changes.
But as soon as the HMA script start vpn connection, SSH connection from my local machine to the server gets lost.
I think the problem lies with VPN client locking the network adapter so that SSH server is no longer able to listen to the same port as it was listening to earlier.
Please suggest what might be causing this problem?
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I would like to build a app with private chat powered by SockJS using Vert.X. I quickly ran into limitation of SockJS because of it's simplistic API and multiplexing doesn't seem to be the answer (see: https://groups.google.com/d/topic/sockjs/cO7lnH07RCE/discussion ).
Would EventBus Bridge be the right tool? Each client binds to a unique address, and VertX server can respond to them, or ignore them by default if not recognized?
Is that the intent of EventBus Bridge?
Can permit rules be changed once the SockJSBridge is started?
Randomized token (UUID?) can also be added to inbound rule "match" to simulate how session would work.
Is this reasonable? or has this been wildly used?
The EventBusBridge lets clients (browsers via SockJS) talk with other subscribers on the EventBus. That means you can send messages directly with Server-side Services or other clients.
You cannot change the permit/firewall rules for the bridge dynamically. But with regular expressions and using UUIDs, you should be able to implement a chat quite easily. Let me give you an example:
The server listens on address chat-server. The outbound setting in the bridge is set to { "address_re" : "chat-clients\..*" }. Every client registers a handler on chat-clients.<some_UUID_for_this_client> and tells the server to send messages addressed to the client to the registered address.
We have written a chat module in Scala, which you can use as a reference.
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In a LAN network, my machine is connected to the LAN server and my machine is connected to internet through LAN server. So, can I consider the LAN server as forward proxy?
Not typically.
If all traffic passes through the 'LAN server', you can consider the LAN server a gateway and a NAT-router.
If only HTTP/HTTPS/FTP traffic passes through the LAN server you might indeed be using an application proxy
If you have set up squid, for example, on your server and use it to get http content from the internet, then yes, the squid is a forwarding proxy service. If your server is running some DNS server to forward your queries to upstream DNS server (even such a small as dnsmasq), then yes, this DNS server is a forwarding proxy service.