User`s guide

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5
• High-Performance multi ADSL Modem Support
The Dual WAN VPN Firewall has two WAN ports, allowing the connection of up to two
broadband modems at the same time.
This can provide a greater increase in bandwidth than is allowed by a single modem.
Flexible configuration allows each port to use a different type of modem and connection
methods. Also, you can determine how the Internet traffic is shared between the 2 modems.
• Supports all common Connection Methods
All popular DSL and Cable Modems and connection methods are supported, including Fixed
IP, Dynamic IP, PPPoE, and PPTP.
• Outbound/Inbound Traffic Load Balancing and Failover
There are many load balancing methods to allow administrators to manage the traffic from
LAN or WAN to maximize the bandwidth and smart health check methods to against
connection failure or failover.
• PPPoE Session Management
Multiple PPPoE sessions are supported and you can choose to “mapping” sessions to
individual for PCs if desired.
• Multiple IP Address Support
If your ISP allocates you multiple IP addresses, these are also supported and you can “map”
IP addresses to individual PCs if desired.
• Special Application
This feature allows you to use some non-standard applications, where the port number used
for the response is different to the port number used by the sender.
• Virtual Server
This feature allows Internet users to access Internet servers on your LAN. For standard
servers such as Web, FTP or E-Mail servers, only the IP address of the server PC is
required. You can also define you own Server types if required.
• Multiple DMZ
A "DMZ" PC will receive incoming connection requests, which would otherwise be blocked.
For each IP address allocated by your ISP, a separate "DMZ" PC can be specified. So if your
ISP has given you multiple IP addresses, you can have multiple “DMZ” PCs. Each “DMZ” PC
has unrestricted 2-way Internet access, providing the ability to run programs that are
otherwise incompatible with NAT routers like the Multi-WAN VPN Link Balancer.
• Access Filter
The network Administrator can use the Access Filter to gain fine control over the Internet
access and applications available to LAN users. Five (5) user groups are available, and each
group can be assigned different access rights.
• Block URL
Use this feature to block access to undesirable Web sites by LAN users. You can even have
different settings for different groups of PCs.
• Session Limit
With the Session Limit feature, when the number of new sessions for the system exceeds the
maximum in the sampling time, any new session in the system will be dropped.