On Mon, Oct 12, 2009 at 9:36 PM, nate <centos at linuxpowered.net> wrote: > Amos Shapira wrote: >> There is an iptables geoip module to allow you to specify countries. I >> never used it thought. > > I love linux, been using it for about 14 years but a good firewall it > does not make.. > > http://www.openbsd.org/faq/pf/tables.html > > "A table is used to hold a group of IPv4 and/or IPv6 addresses. Lookups > against a table are very fast and consume less memory and processor time > than lists. For this reason, a table is ideal for holding a large group of > addresses as the lookup time on a table holding 50,000 addresses is only > slightly more than for one holding 50 addresses > [..] > Tables can also be populated from text files containing a list of IP > addresses and networks: > > table <spammers> persist file "/etc/spammers" > > block in on fxp0 from <spammers> to any > [..] > Tables can be manipulated on the fly by using pfctl(8). For instance, to add > entries to the <spammers> table created above: > > # pfctl -t spammers -T add 218.70.0.0/16" > > -- > > Myself I'd be interested in seeing a iptables system running > with 50,000 rules for matching against. > > > nate > > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > That's why i was recommending ipset earlier.