libxt_hashlimit: use a more obvious expiry value by default

Due to the previous default expiry of 10 sec, "--hashlimit 1/min"
would allow matching up to 6/min if a properly timed. To do what the
user expects, the minimum expiry must equal the selected time quantum
however.

Cc: Jan Rovner <jan.rovner@diadema.cz>
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2 files changed