On 03/05/2011 09:42 AM, Abhishek Dixit wrote:
On Sat, Mar 5, 2011 at 7:08 PM, Ahmed Kamal<k...@ubuntu.com> wrote:
On 03/05/2011 03:24 PM, Abhishek Dixit wrote:
So if some one has to host 100 million websites and if 10 million asks
then the web hosting company has these 10 million IP addresses?
Websites are different. Due to "Name Virtualhosting" you can host multiple
websites (thousands) on a single IP address. The web server knows how to
serve the correct one through http headers
Very correct.But I see people given root access in these situations
also and other than websites people are given a lot of server access
with dedicated IPs and SSH access so how do they acquire so many
IPs.Are these web hosting companies responsible for the finishing of
IPv4 addresses.
Another approach that would be conservative of the ipv4 address space, A
custom ssh server implementation, and chroot + a grsecurity kernel. On
ssh login dispatch the user to their web space in a chroot on machine x,
ideally on cluster shared fs. grsecurity provides some facilities to
secure chroots.
cheers,
Kapil
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