On 2011-12-19 22:24, Dennis Gilmore wrote:
El Mon, 19 Dec 2011 20:07:31 -0800
Garrett Holmstrom<gholms@xxxxxxxxxxxxxxxxx> escribió:
On 2011-12-19 10:05, Jared K. Smith wrote:
On Mon, Dec 19, 2011 at 1:00 PM, Sandeep
Dixit<sdixit@xxxxxxxxxxxx> wrote:
Yes - the instance is associated with the "default" security group
and the "decault" security group has a rule 0.0.0.0 - port 80 /
http
I think Steve was referring to the iptables firewall on Linux
itself.
It is my understanding that EC2 images generally have their inbuilt
firewalls turned off because people are expected to use security
groups instead. Is this correct? If so, how can I help that happen
for the next Fedora release's EC2 images?
correct me if im wrong but i thought that the amazon security groups
only protects you from whats outside of amazons network. the hosts
firewall protects you from being attacked from inside of ec2.
Hosts within a security group can communicate freely with one another.
Communication between hosts in different security groups is subject to
security group rules in the same way as that with the Internet at large.
Since security groups cannot be shared all instances in a given
security group belong to the same account.
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