Security of Linux ISPconfig

Hi, I have simple question. How safe is Linux server with installation by "How To Run Your Own DNS Servers (Primary And Secondary) With ISPConfig 3 (Debian Squeeze)"?

I think the attack from the world. The data, databases and etc. I saving on backup server and backup disk.

If I can do anythink else... pls tell me what or any link will help me.

Thanks a lot!

 

Hardening your server is not within the scope of that How-To

Someone did actually made a "Harderning" how-to on howtoforge.com

check it out!

 

Hmm, thanks but I am not very smart from your post

 

Oke let's keep it simple then ..

To answer your primary question: Pretty safe, but can be better.

 

Thanks for that simple answer!