[frostschutz]

Originally Posted by davidfor

Do you know what it is writing there?

Difference between two calls:

# cmp -l /tmp/[ab]
490 241  67
491 216 276
492  14  13
493  74 113
494   2   3

I assume 2->3 is the counter increment (factory reset once it reaches 5 or so). Not sure about what the other bytes do.