Introduction

Thank you for choosing the Cisco ISA500 Series Integrated Security Appliance, a member of the Small Business Family. The ISA500 Series is a set of Unified Threat Management (UTM) security appliances that provide business-class security gateway solutions with dual WAN, DMZ, zone-based firewall, site-to-site and remote access VPN (including IPsec Remote Access, Teleworker VPN Client, and SSL VPN) support, and Internet threat protection, such as Intrusion Prevention (IPS), Anti-Virus, Application Control, Web URL Filtering, Web Reputation Filtering, Spam Filter, and Network Reputation. The ISA550W and ISA570W include 802.11b/g/n access point capabilities.

The following table lists the available model numbers.

Model	Description	Configuration
ISA550	Cisco ISA550 Integrated Security Appliance	1 WAN port, 2 LAN ports, 4 configurable ports, and 1 USB 2.0 port
ISA550W	Cisco ISA550 Integrated Security Appliance with Wi-Fi	1 WAN port, 2 LAN ports, 4 configurable ports, 1 USB 2.0 port, and 802.11b/g/n
ISA570	Cisco ISA570 Integrated Security Appliance	1 WAN port, 4 LAN ports, 5 configurable ports, and 1 USB 2.0 port
ISA570W	Cisco ISA570 Integrated Security Appliance with Wi-Fi	1 WAN port, 4 LAN ports, 5 configurable ports, 1 USB 2.0 port, and 802.11b/g/n

Note Any configurable port can be configured to be a WAN, DMZ, or LAN port. Only one configurable port can be configured as a WAN port at a time. Up to 4 configurable ports can be configured as DMZ ports.