a question of the log?

RouterOS General
1

enable IP>Accounting>Snapshot
use logdownloader.exe can save the snapshot traffic.it saved as
“TIMESTAMP 1356969615 Tue Jan 01 00:00:15 2013”
what’s mean of the red?

2

It is the equivalent of your date and time, so called unix timestamp. You can find more information on this website: http://www.epochconverter.com/