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Re: DOS Attacks and Network Security [OT]

On Thursday 19 July 2007 10:12:48 Tony Crouch wrote:
> Hi All,
> My apologies for the off-topic posting but I did not know where else to
> turn for this type of information.
> Over the last weekend I turned on "email notifications" for my netgear
> DG834 router / modem. I was quite shocked when I realised while I am at
> work and sleeping the modem is being hit with anywhere between 10 or 20
> DOS (Denial of Service) attacks per day.

Which type? I mean, what did they do?

> I am thinking if this number is of a large magnitude is it time for a
> dedicated hardware firewall to protect against these attacks? If the
> issue is not necessarily the number from the port (or the IP address) on
> which the DOS are being issued please let me know and I will pass along
> one of the email notifications.

Do you think it's worth to buy a hardware firewall to protect your home 
network...? I guess it would be much more cheaper, efficient and, for sure, 
more fun to set up a linux router doing NAT before your modem (or behind, 
setting it as a bridge) and using iptables, snort and logwatch to ban all 
those connections which don't let you to sleep in calm :-)

This is a interesting thread, keep giving us so more information!
All the best

Manuel Arostegui Ramirez.

Electronic Mail is not secure, may not be read every day, and should not
be used for urgent or sensitive issues.

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