Not able to connect to MQTT

[Kapil Waghe]

Hello,

Since last few days device is not connecting to AWS. It is keep trying to connect to MQTT.

Here is the serial print.

[write] n: 536 t: 113145
[WS-Client][sendHeader] sending header... Done (59752us).
[WS-Client][handleHeader] RX: HTTP/1.1 403 Forbidden
[WS-Client][handleHeader] RX: content-type: application/json
[WS-Client][handleHeader] RX: content-length: 163
[WS-Client][handleHeader] RX: date: Wed, 13 Jun 2018 11:23:32 GMT
[WS-Client][handleHeader] RX: x-amzn-RequestId: d3debe06-10e8-713e-8148-462a35c4c9ae
[WS-Client][handleHeader] RX: connection: keep-alive
[WS-Client][handleHeader] RX: x-amzn-ErrorType: ForbiddenException:
[WS-Client][handleHeader] RX: access-control-allow-origin: *
[WS-Client][handleHeader] RX: access-control-expose-headers: x-amzn-ErrorMessage
[WS-Client][handleHeader] RX: access-control-expose-headers: x-amzn-RequestId
[WS-Client][handleHeader] RX: access-control-expose-headers: x-amzn-ErrorType
[WS-Client][handleHeader] RX: access-control-expose-headers: Date
[WS-Client][handleHeader] Header read fin.
[WS-Client][handleHeader] Client settings:
[WS-Client][handleHeader] - cURL: /mqtt?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=XXXXXXXXXXXXXXXXXX%2Fap-southeast-1%2Fiotdevicegateway%2Faws4_request&X-Amz-Date=19700101T080115Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=9efa2ced93208cf0c2479f082930c26b611fa78c27561dbe94240503b581bf91
[WS-Client][handleHeader] - cKey: el8dDvCsAeAfKQdejfmB3Q==
[WS-Client][handleHeader] Server header:
[WS-Client][handleHeader] - cCode: 403
[WS-Client][handleHeader] - cIsUpgrade: 0
[WS-Client][handleHeader] - cIsWebsocket: 0
[WS-Client][handleHeader] - cAccept:
[WS-Client][handleHeader] - cProtocol:
[WS-Client][handleHeader] - cExtensions:
[WS-Client][handleHeader] - cVersion: 0
[WS-Client][handleHeader] - cSessionId:
[WS-Client][handleHeader] no Websocket connection close.
[write] n: 27 t: 113519
Alert: close notify
[WS-Client] client disconnected.
[WS-Client] client disconnected.
[WS-Client] connect wss...
State: sending Client Hello (1)
State: receiving Server Hello (2)
State: receiving Certificate (11)
=== CERTIFICATE ISSUED TO ===
Common Name (CN): *.iot.ap-southeast-1.amazonaws.com
Organization (O): Amazon.com, Inc.
Location (L): Seattle
Country (C): US
State (ST): Washington
Basic Constraints: CA:FALSE, pathlen:10000
Key Usage: critical, Digital Signature, Key Encipherment
Subject Alt Name: iot.ap-southeast-1.amazonaws.com *.iot.ap-southeast-1.amazonaws.com
=== CERTIFICATE ISSUED BY ===
Common Name (CN): Symantec Class 3 Secure Server CA - G4
Organization (O): Symantec Corporation
Organizational Unit (OU): Symantec Trust Network
Country (C): US
Not Before: Mon Nov 27 00:00:00 2017
Not After: Wed Nov 28 23:59:59 2018
RSA bitsize: 2048
Sig Type: SHA256
=== CERTIFICATE ISSUED TO ===
Common Name (CN): Symantec Class 3 Secure Server CA - G4
Organization (O): Symantec Corporation
Organizational Unit (OU): Symantec Trust Network
Country (C): US
Basic Constraints: critical, CA:TRUE, pathlen:0
Key Usage: critical, Key Cert Sign, CRL Sign
Subject Alt Name:
=== CERTIFICATE ISSUED BY ===
Common Name (CN): VeriSign Class 3 Public Primary Certification Authority - G5
Organization (O): VeriSign, Inc.
Organizational Unit (OU): VeriSign Trust Network
Country (C): US
Not Before: Thu Oct 31 00:00:00 2013
Not After: Mon Oct 30 23:59:59 2023
RSA bitsize: 2048
Sig Type: SHA256
State: receiving Server Hello Done (14)
State: sending Client Key Exchange (16)
State: sending Finished (16)
State: receiving Finished (16)
[WS-Client] connected to XXXXXXX.iot.ap-southeast-1.amazonaws.com:443.
[WS-Client][sendHeader] sending header...
[WS-Client][sendHeader] handshake GET /mqtt?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=XXXXXXXXXXXXXXXXXX%2Fap-southeast-1%2Fiotdevicegateway%2Faws4_request&X-Amz-Date=19700101T080115Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=9efa2ced93208cf0c2479f082930c26b611fa78c27561dbe94240503b581bf91 HTTP/1.1
Host: XXXXXXX.iot.ap-southeast-1.amazonaws.com:443
Connection: Upgrade
Upgrade: websocket
Sec-WebSocket-Version: 13
Sec-WebSocket-Key: TmzQwGpa2ix3ibcpVUrTnw==
Origin: file://
User-Agent: arduino-WebSocket-Client

Same data is repeating.

Can you please tell me what is the wrong?

[Kapil Waghe]

Hello,

I found the issue at my end. It was some firewall update issue at my end.
Now, same existing code is working fine.
My apologies.