do I need a router assign public IP 2 server

April 6, 2011 at 17:39:10
Specs: CentOS, Xeon/2GB
I'm using a IBM server powered with CentOS and I want to assign apublic IP to it so that I can work from home in times of emergency.

Hardware Info

Server - 1
Sonicwall Firewall - 1
Netgear swith - 1 (24 ports)

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April 6, 2011 at 18:11:19
If the server is behind a router, you can assign a public ip to the server too, but there is no need for it.
In any case, if the router, running infront of the server is running a firewall, you have to forward the port(s) for remote administration to the servers ip address.
And here you can see, it doesn't matter whether it's a public or a private ip address.

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April 7, 2011 at 07:19:27
Thanks Paul,

Do I really need a router in this case...

My set up is like...

ISP ---> Leased Line Modem ---> Firewall Wan Port
From Firewall LAN Port ---> Switch ---> Switch to workstations

Servers connected to the switch.

Is this a wise setup..? or please let me know what can done in order to obtain a best practice.

Thanks in Advance.

Sujith T.

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April 7, 2011 at 07:46:45
Your setup looks good.

It's common practice (and and just plain smart) to have a firewall between the external network and your internal network.

Chances are you will need to do a "port forward" on your firewall to allow incoming traffic through to your server. Since your server is running CentOS I suspect you're going to connect via SSH. So, your port forward would look as follows:

forward Port 22 (ssh) to [LAN IP of server]

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***

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