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Basically, can anyone tell/assist me on how to make my NETGEAR N 300 Wireless Router stop forwarding broadcast directed traffic to the network?

So the problem is this: I've been receiving DoS attack: Smurf to my network for about a week now, and it's consuming about 10x the amount of bandwidth I normally use.

The message as follows: [DoS attack: Smurf] attacks packets in the last 20sec from ip []

I've googled the problem and many sites suggest I should go to my router settings and stop forwarding broadcast directed traffic to the network. However I can't seem to find out how to do so.. so if anyone can help please reply!

Thanks in advance!

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migrated from serverfault.com Feb 23 '12 at 17:49

This question came from our site for professional system and network administrators.

    
I've already tried calling up my ISP, multiple times, and their technical support was horrid. After a week, I am still back at square one. –  kyliees Feb 23 '12 at 11:45
    
original thread: serverfault.com/questions/361417/… –  kyliees Feb 23 '12 at 11:45
    
@syneticon-dj i'll upload a new capture file tomorrow (because my computer crashed and i lost all the data for today in wireshark). did you just want the icmp ones? –  kyliees Feb 23 '12 at 11:48
1  
Does your ISP use DHCP? If so, reboot your cable/DSL modem and get a new IP... :) Problem solved. (And stop making enemies on the Intertubez!) –  Aaron Copley Feb 23 '12 at 18:14
    
@AaronCopley thanks for the reply. Yes my ISP does use DHCP, and yes i've tried rebooting my cable modem many times. Each time I do get a new IP address, but the problem still persists. –  kyliees Feb 27 '12 at 6:31

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