Features And Applications; Features - ZyXEL Communications ZyWALL USG 300 User Manual

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Features and Applications

This chapter introduces the main features and applications of the ZyWALL.

The ZyWALL's security features include VPN, firewall, anti-virus, content filtering, IDP

(Intrusion Detection and Prevention), ADP (Anomaly Detection and Protection), and

certificates. It also provides bandwidth management, NAT, port forwarding, policy routing,

DHCP server and many other powerful features.

The rest of this section provides more information about the features of the ZyWALL.

High Availability

To ensure the ZyWALL provides reliable, secure Internet access, set up one or more of the

• Multiple WAN ports and configure load balancing between these ports.

• An auxiliary (backup) Internet connection.

• A backup ZyWALL in the event the master ZyWALL fails (device HA).

Virtual Private Networks (VPN)

Use IPSec, SSL, or L2TP VPN to provide secure communication between two sites over the

Internet or any insecure network that uses TCP/IP for communication. The ZyWALL also

offers hub-and-spoke IPSec VPN.

Flexible Security Zones

Many security settings are made by zone, not by interface, port, or network. As a result, it is

much simpler to set up and to change security settings in the ZyWALL. You can create or

remove zones, and you can assign each network, VLAN, or interface to any zone.

The ZyWALL's firewall is a stateful inspection firewall. The ZyWALL restricts access by

screening data packets against defined access rules. It can also inspect sessions. For example,

traffic from one zone is not allowed unless it is initiated by a computer in another zone first.

ZyWALL USG 300 User's Guide