Re: [OpenWrt-Devel] Ubiquiti UniFi AC range missing factory images?

[p . wassi]

Hi Stijn,

I do only have experience with the LITE version of the Unifi AC series, and can
therefore only talk for this device.
There's no web GUI - the only way to flash is via ssh or in bootloader.
As we don't have a way to sign our images (RSA signature?), there's no way to
guarantee that Ubuquiti devices will be easily flashable in the future.

There's a thread in the forum [1], stating the bootloader checks the signature
and also newer firmwares's userspace executables for upgrading also perform 
checks.

Worst case, if the devices are completely locked down in future: directly
flash a somewhat "open" bootloader to the SPI flash.

For me, a factory image only makes sense, if there's a way to flash it via
given ways in stock firmware.

Regards,
Paul


[1]:
https://forum.openwrt.org/t/are-ubiquiti-actively-blocking-installation-of-third-party-firmware/4301

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Re: [OpenWrt-Devel] Ubiquiti UniFi AC range missing factory images?

[David Bauer]

Hi Stijn,

On 9/8/18 5:47 PM, Stijn Segers wrote:
> Since
> newer Ubiquiti images (after March 2017 it seems) also lack the mtd
> command necessary to flash OpenWrt, I was wondering why there's only
> sysupgrade images. After all, Ubiquiti might pull those older firmwares
> at any time, and that would mean people which buy these devices would be
> unable to install OpenWrt on them.

IIRC you can also extract mtd from any old OpenWRT 12.09 ar71xx-image
and use it with the Ubiquiti-firmware.

Best wishes
David

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