1
vote
3answers
416 views

Best software defense against a bandwidth SYN spoofing attack

This is a known DDoS attack. The case is about a Windows server 2008 enterprise edition. Under attack peak, server's CPU reaches 60%, 50% of memory is still free and half of network card is utilized ...
2
votes
3answers
4k views

Linux - Limit max bandwidth usage per IP

I have been experiencing DDoS attacks on my web server, with some IPs using more than 50 Mbit/s. Now if I would like to limit the max bandwidth usage for each unique IP to, lets say, 1 Mbit/s, what ...
2
votes
4answers
2k views

Amazon EC2 bandwidth charges in case of unwanted incoming traffic(ddos/flood)?

What happens if my EC2 instance gets ddosed/flooded, which could potentially go up to tens of gigabytes an hour(and even more) of undesired incoming traffic, will i be charged for this traffic? My ...
0
votes
1answer
157 views

Is it possible to block IP access at the NIC

I am receiving a lot of traffic from Portugal and Brazil, not our normal audience on one my servers, and after running Wireshark on a 1 minute TCP dump, Almost every request (close to 10 megs total in ...