3
votes
3answers
1k views

EC2 ELB and DOS attacks

I'm using Amazon's ELB to load balance between servers, When my site is under attack by bots, everything is exhausted, so here is the problem I can't block IP addresses with Amazon's security ...
1
vote
1answer
333 views

Amazon EC2 abuse

I am using amazon 85 ec2 instances. Day before yesterday got emails from AMAZON for AMAZON EC2 abuse. it says about the DOS attacks on remote host. Amazon mail content attached for your reference. ...
14
votes
3answers
9k views

How can I prevent a DDOS attack on Amazon EC2?

One of the servers I use is hosted on the Amazon EC2 cloud. Every few months we appear to have a DDOS attack on this sever. This slows the server down incredibly. After around 30 minutes, and ...
0
votes
2answers
234 views

What is the main difference between iptables and EC2's “security groups”?

If I block traffic via a security group, I assume I don't have to pay for it. But if I block traffic via iptables installed on my server then I assume it would be me that pays for any incoming ...
0
votes
2answers
235 views

Basic EC2 Load Balancing Concepts

I am creating a site that I expect to receive DDoS attacks on occasion. I have created two EBS AMIs on Amazon EC2. One AMI for a MySQL Database and one for the web host. I have added an elastic IP ...
1
vote
3answers
1k 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 ...
2
votes
4answers
935 views

Blocking IP addresses Load Balanced Cluster

We're using HAproxy as a front end load balancer / proxy and are looking for solutions to block random IP addresses from jamming the cluster. Is anyone familiar with a conf for HAProxy that can block ...