I have quite a few Flexy205s that publish encrypted temetry data to an MQTT sever. Twice now data has stopped flowing and, on investigation, I've found that the encryption certificate file has dissapeared from the /usr/ directory.
Firmware V14.2S0
Has anyone else experienced this?
Can anyone propose a reason why?
Nick
Nick,
This is a known issue fixed in the fwr 14.4 :
Version 14.4s0PR -- 2021/03/11
----------------------
-- Major
ADDED [FLEXY] HARDWARE: Support of 4G APAC modem extension card
ADDED [FLEXY] IOSERVER: DF1 "L" register fully supported.
ADDED [FLEXY] MISC: New options to allow read-only anonymous access of user webpages, EBD and viewON pages.
FIXED [ALL] SECURITY: Vulnerability in the web server due to misused CORS HTTP headers (New SYS parameter "CORSAllowedHosts")
FIXED [ALL] MISC: /usr folder could be erased in some reboot cases.
I recommend you use the last version 14.6.
Simon