Internet and e-mail Infrastructure setup
Posted on 2006-05-29
I an supporting a small to meduim enterprize with a sql database server domain server etc and more or less 250 users .
Currently our e-mail and antivirus as well as internet access is hosted .I would like to know what would be considered the best or which model is being used the most in practise and if possible some information on what you are using or recomend using to get the abovementioned functions in house.
router-----firewall(hardeware or software)----DMZ(what would you recomend)----ISA Server(webfiltering etc)--Rest of network e-mail server would it be beter to use Microsoft Exchange 2003.
I would like to know if I take the model above how many functions i can consolodate in order to save on hardeware expenditure .
What would you consider as a reasonable speced server to run exchange for 300 users.
What would you consider as a reasonable speced server for a DMZ.
What would you consider as a reasonable speced server for a ISA Server.
What would you consider as a reasonable speced server for a Firewall Server.
If you consider the abovementioned model lacking in detail of specifiec software or hardeware please le t me know.
I was considering using a astaro firewall on the outside with ISA server on the inside Microsoft echange 2003 on a ML350 prolaint server daul xeon processors with 4GB ram and 300GB of storage