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Ashley M. Kirchner wrote:
Mike Wohlgemuth wrote:
> Here's what I do:
>
> -N LOGDROP
> -A LOGDROP -j LOG --log-prefix "$IPTABLES drop:"
> -A LOGDROP -j DROP
>
> Then you can add lines for the things you want logged like this:
>
> -A INPUT -s
www.xxx.yyy.zzz/aa -j LOGDROP
Now that works great (I removed the $ from it.) The only, small,
issue is that I'd like some kind of identifier when it logs, instead
of just saying 'IPTABLES drop:'. Is there a way of saying something
like, 'all these IP ranges belong to .ru domains' and then when it
logs the packet, to have the prefix say 'IPTABLES drop .ru: ' And
do the same for other ranges that are defined (at the moment they
have .ru, .hk, .cn, etc., etc. blocked.)
Or do I have to create individual chains for each one, and change
the prefix on each?
It is usually easier to allow from a few and DROP everyone else. You
should not be say excluding country domains for any reason.
The more complex you make the rules, the more chance for errors.
Besides, the IP addresses are not always static. As new IP service
providers are added you will have to update your table like crazy....
Just my opinion.
- -James
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