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blocking ip addresses
https://forum.linode.com/viewtopic.php?f=19&t=1979		 Page 1 of 1
Author:  OverlordQ [ Sat Dec 03, 2005 4:10 am ]
Post subject:  blocking ip addresses
Is there any way to stop some <expletive deleted> from trying to spam the <deleted> out of my site? Besides adding them to iptables and grin+bear it? I've dropped almost 100k packets since November 13th, and although I doubt it effects anything in any severe way, it's just very very very <deleted> annoying. And of course it's some <deleted> country so I despite me being nice and emailing them a few times nicely, they wont do jack <deleted>.

Yay.
Author:  pclissold [ Sat Dec 03, 2005 6:14 am ]
Post subject: 
The best thing to do is work off your anger and frustration by submitting a post full of f :x :? :evil: :shock: ing expletives to Linode forums :)

Then, if it's not bogging down your machine, block their IPs and forget them.

If you tar pit them or similar, they may well respond by having one of their botnets launch a DoS attack against your Linode, then caker has to null route your IP, then you get so mad that your head explodes.
Author:  sarge [ Sun Dec 04, 2005 1:05 am ]
Post subject:  You can block specific countries
You can try blocking specific countries. If they're using your webforms, then try mod_geoip. If they're using smtp directly, then you can use an iptables filter program to block that port to specific countries.

Top 12 spam-producing countries in 2004 according to Sophos:
    1 United States......................35.70%
    2 South Korea........................24.98%
    3 China (incl Hong Kong)............9.71%
    4 France................................3.19%
    5 Spain..................................2.74%
    6 Canada...............................2.68%
    7 Japan..................................2.10%
    8 Brazil..................................1.95%
    9 United Kingdom.....................1.57%
    10 Germany............................1.23%
    11 Australia............................1.22%
    12 Poland...............................1.20%
    Others..................................11.73%


Good luck!
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