If you really catch traffic destinated to other hosts, then other people connected will have the same problem ie :
- some people will be able to *sniff* your traffic :-(
- your bandwith will depends on other people.
- You'll be able to spoof packets on the Internet
god!
IMHO, your cable company has a badly designed network. I have a cable modem as well, and it filters out all of the traffic which is not sent to my IP address.
That is true. However, it seems like a good idea to filter that way. Will this do the job? iptables -P INPUT DROP iptables -A INPUT -i eth0 -d ! 212.127.242.126 -j DROP
as the first rule of the input chain (and after that a dozen other rules)?
I am no hero when it comes to iptables (still a bit newbie) and it is a bad thing when you think a firewall works when it does not.
Thanks, Sebastiaan
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