The features include a stateful packet inspection firewall, application-level proxies for various protocols (HTTP, FTP, POP3, SMTP) with antivirus support, virus and spam-filtering for email traffic (POP and SMTP), content filtering of Web traffic and a "hassle free" VPN solution (based on OpenVPN).
| General | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| Open Source License (GPL) |  | | | | | | | | |
| Free download | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Suggested number of users (not limited) | N/A | <25 | <100 | <250 | 250+ | <1,000 | <2,500 | 5-10 | 25+ |
| Commercial support options | | | | | | | | | |
| Ticket System Support | | | | | | | | | |
| Direct support from Endian |  | | | | | | | | |
| Phone Support | | | | | | | | | |
| Live/Remote Support (hands on) | | | | | | | | | |
| Instant Hardware Replacement | | | | | | | | | |
| Industrial Grade Hardware | | | | | | | | N/A | N/A |
| LCD display with system status and management functionality | N/A | N/A | | | | | | N/A | N/A |
| Network Security | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| Stateful Packet Firewall | | | | | | | | | |
| Demilitarized Zone (DMZ) | | | | | | | | | |
| Intrusion Prevention (Snort) | | | | | | | | | |
| Multiple Public IPs | | | | | | | | | |
| Quality of Service and Bandwidth Management | | | | | | | | | |
| SNMP support | | | | | | | | | |
| VoIP/SIP support | | | | | | | | | |
| Portscan Detection | | | | | | | | | |
| DoS and DDoS Protection | | | | | | | | | |
| SYN/ICMP Flood Protection | | | | | | | | | |
| Anti-Spoofing Protection | | | | | | | | | |
| VLAN support (IEEE 802.1Q trunking) | | | | | | | | | |
| DNS Proxy/Routing | | | | | | | | | |
| Web Security | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| HTTP & FTP proxies | N/A | | | | | | | | |
| Anti-virus (100.000+ patterns) | N/A | | | | | | | | |
| Transparent Proxy support | N/A | | | | | | | | |
| Content Analysis/Filtering | N/A | | | | | | | | |
| URL Blacklist | N/A | | | | | | | | |
| Authentication: Local, RADIUS, LDAP, Active Directory | N/A | | | | | | | | |
| NTLM Single Sign-On | N/A | | | | | | | | |
| Group based web content filter | N/A | | | | | | | | |
| Group based web access policies | N/A | | | | | | | | |
| Time based access control with multiple time intervals | N/A | | | | | | | | |
| Sophos Antivirus (optional) | N/A | | | | | | | | |
| Mail Security - REVISED | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| SMTP & POP3 proxies | N/A | | | | | | | | |
| Anti-spam with Bayes, Pattern, SPF, | N/A | | | | | | | | |
| Heuristics, Black- and White-lists support | N/A | | | | | | | | |
| Anti-virus (100.000+ patterns) | N/A | | | | | | | | |
| Transparent Proxy support | N/A | | | | | | | | |
| Spam Auto-Learning | N/A | | | | | | | | |
| Transparent Mail Forwarding (BCC) | N/A | | | | | | | | |
| Greylisting | N/A | | | | | | | | |
| Commtouch RPD (optional) | N/A | | | | | | | | |
| Sophos Antivirus (optional) | N/A | | | | | | | | |
| Virtual Private Networks (VPN) | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| True SSL/TLS VPN (OpenVPN) | | | | | | | | | |
| IPSEC | | | | | | | | | |
| Encryption; DES, 3DES, AES 128-,192-, 256-bit | | | | | | | | | |
| Authentication: Pre-Shared Key, Certification Authority, Local | | | | | | | | | |
| Support for VPN over HTTPS Proxy (OpenVPN) | | | | | | | | | |
| X.509 and 2 factor based authentication | | | | | | | | | |
| PPTP Passthrough | | | | | | | | | |
| Pushing of DNS settings and Routes to clients (OpenVPN) | | | | | | | | | |
| Automatic connection failover (OpenVPN) | | | | | | | | | |
| Native VPN Client for MS Windows, MacOSX and Linux | | | | | | | | | |
| Hotspot | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| Captive Portal | N/A | | | | | | | N/A | |
| Wired/Wireless support | N/A | | | | | | | N/A | |
| Pre-/Post-paid and free Tickets | N/A | | | | | | | N/A | |
| Traffic-based Tickets | N/A | | | | | | | N/A | |
| Integrated RADIUS service | N/A | | | | | | | N/A | |
| Connection Logging | N/A | | | | | | | N/A | |
| No additional software/hardware required | N/A | | | | | | | N/A | |
| Per-user and global bandwidth limiting | N/A | | | | | | | N/A | |
| MAC-address based user accounts | N/A | | | | | | | N/A | |
| User accounts import/export per CSV | N/A | | | | | | | N/A | |
| Single-click ticket generation (Quick ticket) | N/A | | | | | | | N/A | |
| Automatic client network configuration (support for DHCP and static IP) | N/A | | | | | | | N/A | |
| Generic JSON-API for external accounting and third party integration | N/A | | | | | | | N/A | |
| High Availability | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| Hot Standby (active/passive) | N/A | | | | | | | N/A | |
| Node Data/Configuration | N/A | | | | | | | N/A | |
| Synchronization | N/A | | | | | | | N/A | |
| Multi-WAN with Failover | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| Support for multiple Uplinks/WANs | | | | | | | | | |
| Automatic WAN Uplink Failover | | | | | | | | | |
| Monitoring of WAN Uplinks | | | | | | | | | |
| Uplink types: Ethernet (Static/DHCP), PPPoE, ADSL, ISDN, PPTP | | | | | | | | | |
| UMTS/GPRS/3G support | | | | | | | | | |
| Routing | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| Static Routes | | | | | | | | | |
| Source-based Routing | | | | | | | | | |
| Destination-based Routing | | | | | | | | | |
| Policy-based Routing (based on interface, mac, protocol or port) | | | | | | | | | |
| Network Address Translation (NAT) | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| Destination NAT | | | | | | | | | |
| Incoming Routed Traffic | | | | | | | | | |
| One-to-One NAT | | | | | | | | | |
| Source NAT (SNAT) | | | | | | | | | |
| IPSec NAT Traversal | | | | | | | | | |
| Logging/Reporting | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| Real-time Dashboard | | | | | | | | | |
| Event handling and notification | | | | | | | | | |
| Live Log Viewer (AJAX based) | | | | | | | | | |
| Detailed User Based Web Access Report | N/A | | | | | | | | |
| Network/System/Performance Statistics | | | | | | | | | |
| Rule-based logging settings (Firewall Rules) | | | | | | | | | |
| Syslog: Local or Remote | | | | | | | | | |
| Management | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| Easy Web-based Administration (SSL) | | | | | | | | | |
| Secure Remote SSH/SCP Access | | | | | | | | | |
| Serial Console | | | | | | | | | |
| Centralized Management through Endian Network (SSL) | | | | | | | | | |
| Updates and Backup | 4i Office / Industrial | Mini | Mercury | Macro X1 | Macro X2 | Macro R1 | Macro R2 | 5-10 Users | 25+ Users |
| Backup/Restore Firewall settings from Web-Interface | | | | | | | | | |
| Centralized Updates through Endian Network | | | | | | | | | |
| Anti-virus Definitions | N/A | | | | | | | | |
| URL Blacklist Definitions | N/A | | | | | | | | |
| Scheduled Automatic Backup | | | | | | | | | |
| Encrypted Backups via E-mail | | | | | | | | | |
| Instant Recovery/Backup to USB-Stick |
Courtesy : http://www.endian.com/en/community/download/
