Hello Lightner, Jeff, Am 2011-10-17 13:28:43, hacktest Du folgendes herunter: > While setting up blackholes in BIND works fine when I did this on > Linux I found that setting up iptables to do drops for known bad > IPs/ranges was slightly better as the traffic never gets to BIND in > the first place as it is stopped at kernel level. It simply DROPs the > packet without telling the bad guys why packets didn't go through. > > Example rules for various IPs that have annoyed me in the past: > -A RH-Firewall-1-INPUT -s 68.222.240.22 -j DROP > -A RH-Firewall-1-INPUT -s 203.142.82.222 -j DROP > -A RH-Firewall-1-INPUT -s 217.54.97.137 -j DROP > -A RH-Firewall-1-INPUT -s 217.219.20.226 -j DROP > -A RH-Firewall-1-INPUT -s 218.212.248.7 -j DROP
...and you get the hell on you ass if you have several 1000 of them!
In this case, bind9 with RPZ is cheaper.
Thanks, Greetings and nice Day/Evening
Michelle Konzack
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##################### Debian GNU/Linux Consultant ######################
Development of Intranet and Embedded Systems with Debian GNU/Linux
Internet Service Provider, Cloud Computing
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Owner Michelle Konzack
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Linux-User #280138 with the Linux Counter, http://counter.li.org/
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