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Key Features and Benefits

High-performance gateway with all Gigabit Ethernet interface.

The ICSA-certified, stateful inspection firewall protects the network and 
vital Internet services like e-mail, Web browsing, server services and file 
transfers.

Use IPSec VPN to secure connections to branch offices, partners and 
headquarters. Road warriors and telecommuters can use SSL or L2TP 
VPN to securely access the company network without having to install 
VPN software.

Bandwidth Management lets users prioritize time-sensitive applications 
like VoIP and video conferencing.

The Anti-Spam feature can tag or discard unsolicited commercials or 
junk e-mails.

User-aware configuration allows users to control access to applications 
or resources and apply security scans by user or user group.

Multiple WAN ports let you use multiple ISP links and load balancing to 
enhance traffic throughput, optimize bandwidth usage and help 
ensuring continuous uptime if a link goes down.

USB ports are provided for 3G WAN connections.

ZyWALL USG 

20/20W/50

Unified Security 

Gateway

ZyWALL USG 

20/20W/50

Unified Security 

Gateway

The ZyWALL USG 20/20W/50 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.

Summary of Contents for USG-20

Page 1: ...n tag or discard unsolicited commercials or junk e mails User aware configuration allows users to control access to applications or resources and apply security scans by user or user group Multiple WAN ports let you use multiple ISP links and load balancing to enhance traffic throughput optimize bandwidth usage and help ensuring continuous uptime if a link goes down USB ports are provided for 3G W...

Page 2: ...er video Application and IM P2P bandwidth control User authentication support IM P2P signature auto update Support more than 15 catalogs IM and P2P Real Time statistical reports Maximum guaranteed bandwidth Anti Spam Zone to zone protection Transparently intercept mail via SMTP POP3 protocols Blacklist whitelist support Support DNSBL checking Statistics report Content Filtering URL blocking keywor...

Page 3: ... A L V s e Y n 1 1 2 0 8 t r o p p u S s s e l e r i W s e Y s e Y s e Y t r o p p u S G 3 Security s e Y s e Y s e Y l l a w e r i F s e Y s e Y s e Y N P V c e S P I s e Y s e Y s e Y N P V L S S s e Y s e Y s e Y g n i r e t l i F t n e t n o C s e Y s e Y s e Y M A P S i t n A s e Y s u r i V i t n A s e Y P D A P D I s e Y t n e m e g a n a M P 2 P M I s e Y s e Y s e Y t n e m e g a n a M h ...

Page 4: ...w w Z y X E L c o m Copyright 2010 ZyXEL Communications Corp All rights reserved ZyXEL ZyXEL logo are registered trademarks of ZyXEL Communications Corp All other brands product names or trademarks mentioned are the property of their respective owners All specifications are subject to change without notice ...

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