i want to know how number of client support firewall pfsense because i have 1000 hosts in my network. please help me about this decision :)
n (put any number here)
But the number of users isnt as relevant as how much bandwidth you want to push.
Also you might run out of states.
http://www.pfsense.org/index.php?option=com_content&task=view&id=52&Itemid=49 is a starting point how to size your pfSense.