Amazon AWS problems

[SeppPenner]

Hello together, I would like to collect the AWS errors in one place as it seems like there are some issues that occur quite often.

Currently, there are the following resources to look up (Please look up before asking a question):

• Wiki, Connecting with AWS: https://github.com/chkr1011/MQTTnet/wiki/Client#connecting-with-amazon-aws
• Wiki, Troubleshooting AWS: https://github.com/chkr1011/MQTTnet/wiki/Client#troubleshooting
• Wiki, Using a client certificate: https://github.com/chkr1011/MQTTnet/wiki/Client#tls-using-a-client-certificate
• Snippet, Net Framework: https://gist.github.com/jkoplo/16f25875f7aca9503a7520fcda99005f
• Snippet, NetCore: https://gist.github.com/jkoplo/bd60cfe1a02c6e13b0a2d753289ae00f

Several related issues:

• Connecting to AWS-IoT #109
• Certificate based authentication for client #115
• AWS Support? #141
• Certificate based authentication for client #115
• UWP TLS can't connect #202
• Connecting to AWS IOT with SigV4 - "Unable to connect to the remote server" on Xamarin #211
• MQTT Certificate connection issue  #267
• Question about MqttCommunicationClosedGracefullyException #450
• Connecting to AWS IoT broker (without Websocket) #452
• Custom websocket request headers #496
• Cannot connect to MQTT over Websocket with Xamarin #612
• Not able to Connect aws with Certificate #721
• Error connecting to a broker using a DNS #736
• windows 10 not connection error #795
• Difficulty creating a ManagedClient with certificate authentication #894
• Open SSL Bad cert on linux: Interop+Crypto+OpenSslCryptographicException: error:14094412:SSL routines:ssl3_read_bytes:sslv3 alert bad certificate #922
• AWS support? #927
• Connect over TLS using a client certificate #945
• PubAck: [PacketIdentifier=1131] [ReasonCode=] at an unexpected time.) #970
• Remote Connection Binding stops working #982
• Client disconnection occurs on debugging the application  #1072
• Can't do just in time provisioning at AWS IoT, certificate contains CA #1079
• Not connecting using domain name #1086
• Authentication failed because the remote party has closed the transport stream #1087
• Client disconnected directly when trying to connect with AWS IoT #1145
• Connect with AWS #1155

I will try to bundle all information here.