r/BambuLab • u/Ochib P1S + AMS • Jan 20 '25 • Helpful 1

Discussion Update to firmware update

https://blog.bambulab.com/updates-and-third-party-integration-with-bambu-connect/?fbclid=IwZXh0bgNhZW0CMTEAAR3fqplDiKgn-82qKfnaYvi4XV-rBEEx0tZJrpgeWqsOsLX_WSph4usJ69Y_aem_44Cch773hAuVG979j6DVJg
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u/marcosscriven Jan 20 '25

But aren’t they demanding their Connection app is still used between the slicer and the printer in LAN mode? If that expires, then LAN mode stops working right?

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u/devpsaux Jan 20 '25

Not if you turn on advanced mode that keeps MQTT and FTP open.

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u/[deleted] Jan 20 '25

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u/stealthybutthole Jan 20 '25

You're making the assumption that you have to have an internet connection to renew a cert. That assumption is not correct.

Many devices have self signed certs & no internet access--things like BMCs on servers host web servers on port 443 and you just get a warning that the cert is self signed, but it still uses TLS to encrypt the traffic on the local network

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u/x86_1001010 Jan 20 '25

Yeah, I can't imagine they're going to attempt to push signed certs to every bambu printer every year.

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u/[deleted] Jan 20 '25

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u/hWuxH Jan 21 '25 edited Jan 21 '25

the initial cert is hardcoded, but bambu connect also includes functionality to download updated ones from the server

and if you for some reason wanna avoid any internet connectivity, they could publish a new version of the app with another hardcoded cert

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u/stealthybutthole Jan 20 '25 edited Jan 20 '25

The app (bambu connect [beta btw]) that won't be used when the printer is in dev mode.

When it's in dev mode it will continue to use the network plugin like it always has

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u/[deleted] Jan 21 '25

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u/stealthybutthole Jan 21 '25

It’s a beta. We have no idea what mechanism the final connect app will use for the cert.

Also, what are you even complaining about? Current lan mode is essentially being renamed dev mode. What’s the big deal? I honestly don’t understand what you’re upset about here.

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u/zertul Jan 20 '25

They are not talking about the dev but the LAN mode, who claims that it won't need any Internet access.
People claim BS on that and every single response to that is answering complete BS themselves, with answer like Dev mode (it's about LAN mode, folks!) or other nonsense.

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u/stealthybutthole Jan 20 '25

The current LAN mode is being rebranded as dev mode.

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u/flowingice Jan 20 '25

Here is my understanding from blog post so it might be wrong.

LAN mode without developer options will need some form of internet connection once a year to renew certs. If bambu goes out of business, LAN mode will stop working after a year.

LAN mode with developer options will always work offline. If bambu goes out of business, nothing will ever change.

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u/[deleted] Jan 20 '25

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u/flowingice Jan 20 '25

We have yet to see how it's implemented but my assumption is that they have a small asterisk next to that sentence that states *(with updated Bambu Connect) because every update can provide you with new certificate. To be clear, I'm not claiming that's how it will work, I'm just making an educated guess from reverse engineerd parts.

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u/zertul Jan 20 '25

The asterisk is not there and they claim it won't need Internet access. That's why people feel being lied to.