with more than 5 years experience of using Pfsene as a firewall in the network having more 500 systems I'll configure the pfSense firewall as per your requirements, which may include Pfsense firewall installation Pfsense firewall configuration Pfsense firewall troubleshooting DHCP DNS NAT Load Balancing Failover Squid Proxy Bandwidth IPSec Tunnels ntop Open VPN