Endian Firewall Community (EFW) is an open source turnkey router, firewall and gateway Linux security distribution that uses Unified Threat Management (UTM) functionality. The EFW UTM (Unified Threat Management) is a network monitoring tool that offers packet inspection firewall, Intrusion Detection System (IDS) and Intrusion Prevention System (IPS), load balancing, support for Ethernet and VoIP, traffic shaping, complete network security including web and email filtering, VPN, LDAP, NTLM Single Sign On, protection against DDoS, uplink failover and band width management.