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Introduction
3
Security Features
• Password - protected Configuration. Optional password protection is provided to
prevent unauthorized users from modifying the configuration data and settings.
• NAT Protection. An intrinsic side effect of NAT (Network Address Translation) tech-
nology is that by allowing all LAN users to share a single IP address, the location and even
the existence of each PC is hidden. From the external viewpoint, there is no network, only
a single device - VRT-311 / VRT-311S.
• Stateful Inspection Firewall. All incoming data packets are monitored and all incom-
ing server requests are filtered, thus protecting your network from malicious attacks from
external sources.
• Protection against DoS attacks. DoS (Denial of Service) attacks can flood your
Internet connection with invalid packets and connection requests, using so much bandwidth
and so many resources that Internet access becomes unavailable. VRT-311 / VRT-311S in-
corporates protection against DoS attacks.
• Rule-based Policy Firewall. To provide additional protection against malicious pack-
ets, you can define your own firewall rules. This can also be used to control the Internet
services available to LAN users.
IPSec VPN Gateway Features
• IPSec.. Support for IPSec standards, including IKE and certificates.
• Tunnels. Up to 100 VPN tunnels can be created for VRT-311, and up to 10 VPN tunnels
can be created for VRT-311S..
• High performance. High performance encryption engine maintains high throughput
even when using 3DES.
Microsoft VPN Gateway Support
• PPTP Server. VRT-311 / VRT-311S emulates a Microsoft PPTP VPN Server, allowing
clients to use the Microsoft VPN client provided in Windows.
• Windows Client Support. Remote users can use the Microsoft VPN client (VPN
Adapter) provided in recent versions of Windows.
• Easy Setup. For both the Administrator and remote users, the Microsoft VPN is much
easier to configure than IPSec VPN.
Package Contents
The following items should be included:
• VRT-311 / VRT-311S Unit
• Power Adapter
• Quick Installation Guide
• CD-ROM containing the on-line manual.
If any of the above items are damaged or missing, please contact your dealer immediately.