thanks for the quick response; I appreciate it
I had tried that but there's a certificate error so removing s (silent) and adding k (insecure) to the command line provides
curl -Ok https://diversion.ch/amtm/amtm
% Total % Received % Xferd Average Speed Time Time Time Current...
Running fw version 384.13_10 on RT-AC3200 - cannot start application - any pointers?
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Initializing amtm for first run
Getting from fwupdate.asuswrt-merlin.net
! Module amtm.mod download failed
! using fallback server diversion.ch
! Module amtm.mod...