Test Hanging Indefinitely about python-decora_wifi HOT 8 CLOSED

Hm it's hanging during the first SSL login request to MyLeviton. I'm not sure what's different about your networking environment, but something isn't letting the requests through. Could it be a firewall, router, or VPN issue?

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It does appear to be a ssl issue. I tried curl -v https://my.leviton.com/api

Trying 52.70.248.144...
TCP_NODELAY set
Connected to my.leviton.com (52.70.248.144) port 443 (#0)
ALPN, offering http/1.1
Cipher selection: ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH
successfully set certificate verify locations:
CAfile: /usr/share/curl/ca-bundle.crt
CApath: none
TLSv1.2 (OUT), TLS header, Certificate Status (22):
TLSv1.2 (OUT), TLS handshake, Client hello (1):
Unknown SSL protocol error in connection to my.leviton.com:443
Curl_http_done: called premature == 1
Closing connection 0
curl: (35) Unknown SSL protocol error in connection to my.leviton.com:443

I have not had any issues with other SSL connections. I tired all versions of ssl/tls manually:

curl -v --tlsv1.0 https://my.leviton.com/api
curl -v --tlsv1.1 https://my.leviton.com/api
curl -v --tlsv1.2 https://my.leviton.com/api
curl -v --sslv3 https://my.leviton.com/api

Fixed it. For completeness I'm going to explain what happened.

Turns out it was an issue with my network. MTU got set down to 1480. Setting it to 1500 fixed it. On my Mikrotik RouterOS router, a bridge interface's MTU decreased to 1480 after creating an EOIP tunnel that defaulted to 1480. After setting the EOIP tunnel to use 1500 MTU, the bridge changed to 1500 and everything started working correctly.

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Worth noting that I have not noticed any other SSL connections not working on the network during this time. Possibly there is an argument you can add to the network calls that can work around this.

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interesting. I've got the exact same issue, but MTU is 1500 on the network

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Can you connect to https://my.leviton.com/api?

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Yeah, curling it returns the There is no method to handle GET / response though

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And the traceback you're seeing is identical? Hanging on the session.login method?

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I have no idea what changed but when I tried yesterday it started working

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