I'm using the following line in my iptables firewall to block internet
access for one of the machines on the network for one hour a day:
Code:
iptables -A FORWARD -p ALL -o $INET_IFACE -m mac --mac-source
$BLOCKED_MAC1 -m time --timestart $BLOCKED_TIMESTART1 --timestop
$BLOCKED_TIMESTOP1 -j DROP
Everything works fine - except that when the clocks change from winter
time to summer time (in UK) - the rule keeps on working on the old time.
The clock of this server (checked with "date") updates correctly. If I
restart the server - the rule finally starts working on the correct
time. Last year when this happened, I posted here and I was advised to
change the hardware clock to UTC (from local time) - which I did.
However, now that the clock just changed again from winter time to
summer time - the user is complaining again that their Internet access
slot is off by an hour.
Does anybody know why is this happening?
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