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I think I am lost but not found yet, please as regards this very topic; my issue was that I bought a new VPS using WHM optimised and it's just one domain meaning one IP.

All I want to know is the benefit with sharing one IP to many domains I created for the users (remembering the IP is for the root) or is it of a disadvantage?

Probably help me too with knowing if it's prefarable to create/assign a new IP to each new domain created for users?

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Any help please...am in need to continue my configuration...Help will be truly appreciated. –  Luis Yang May 29 '13 at 7:55
    
You can proceed with name based virtual host apache http server configurations. If requirements say ssl implementation, then probably you need separate IP –  sundeep May 29 '13 at 9:46

3 Answers 3

There are a limited number of IPv4 IPs so you should share where possible.

Services like SSL require 1 IP address per seperate certificate. Wildcard certificates may not be suitable and are more expensive. So in general this means 1 IP to each domain using SSL.

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Taking into consideration the costs of IP addresses due to shortages, its much more economical and easier to manage if you just share the same IP address for all domains.

Web server control panels like cPanel and Plesk handle all the virtual host issues for you when you create an account, and generally the default account template setting is to share an IP address.

As others mentioned, domains only need a separate IP address if an SSL certificate (for secure connections, shopping carts, etc...) is purchased. Also some database and server applications require a separate IP address. But if you don't have these needs, I would feel confident in using a single IP address for your server.

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If you dont use SSL for your domain, it is ok if you share 1 IP address for all of your domains. There is no problem. But, if you need SSL on one domain, you need at least 1 static IP.

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