Hi Mart, Am 23.06.2010 um 11:33 schrieb Mart Frauenlob: > ipset > http://ipset.netfilter.org/ > > is the answer to that problem, if you insist on doing it with iptables. Are there any other solutions, except some sort of proxy? > all your cron job would have to do is to (pseudo code): > > ipset --list gmailset > > diff newlist oldlist > > ipset --add new_entries > ipset --del dead_IPs > > > you might have to tinker with your kernel before. Thanks a lot! I wasn't aware of ipset before, but will definitely look into it! Florian-- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html