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The ZyWALL USG-20 series is a high-performance, deep packet inspection anti-spam features in one box. The multi-layered security safeguards your organization's customers and company records, intellectual property as well as critical resources from external and internal threats.The ZyWALL USG (Unified Security Gateway) 20 provides greater performance protection as well as a deep packet inspection security solution for small businesses to enterprises alike. It embodies a Stateful Packet Inspection (SPI) firewall, content filtering, anti-spam, and VPN (IPSec/SSL) in one box.
|Encryption Standard||DES; 3DES; AES; MD5; SHA-1|
|Ethernet Technology||Gigabit Ethernet|
|Features||NAT; PAT; Static NAT (SNAT); IPSec NAT Traversal|
|Firewall Protection Supported||Stateful Packet Filtering; Dead Peer Detection; Anti-intrusion; Anti-phishing; Anti-spam; Anti-spyware; Intrusion Detection; Intrusion Prevention; Content Filtering; Worm Scanning; P2P Blocking; Instant Messenger Blocking; Trojan Horse; Adware Protection; Keyword Filtering; Web Content Filtering; Traffic Anomaly Detection; Keylogger Protection; Distributed Denial of Service (DDoS); Denial of Service (DoS); Access Control; Java and ActiveX Blocking; FloodGuard; URL Filtering; Cookie Blocking|
|Input Voltage||110 V AC; 220 V AC|
|manufacturer||ZyXEL Communications Corp.|
|Total Number of Ports||5|
|Virtualization||6000 x Concurrent Session; 2 x IPSec VPN Tunnel; 1 x SSL VPN Tunnel; 900 x New Sessions/second|
|warranty length||2-year limited|
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