Chapter 28 Product Specifications
P-662H/HW-D Series User’s Guide
349
Network Address
Translation (NAT)
Each computer on your network must have its own unique IP address. Use
NAT to convert your public IP address(es) to multiple private IP addresses for
the computers on your network.
2048 NAT sessions
Multimedia application.
PPTP under NAT/SUA.
IPSec passthrough
SIP ALG passthrough.
VPN passthrough
Port Forwarding If you have a server (mail or web server for example) on your network, you
can use this feature to let people access it from the Internet.
IPSec VPN Capability Establish a Virtual Private Network (VPN) to connect with business partners
and branch offices using data encryption and the Internet to provide secure
communications without the expense of leased site-to-site lines. The ZyXEL
Device VPN is based on the IPSec standard and is fully interoperable with
other IPSec-based VPN products. The ZyXEL Device supports 20 IPSec
tunnels.
Content Filter The ZyXEL Device blocks or allows access to web sites that you specify and
blocks access to web sites with URLs that contain keywords that you specify.
You can define time periods and days during which content filtering is
enabled. You can also include or exclude particular computers on your
network from content filtering.
You can also subscribe to category-based content filtering that allows your
ZyXEL Device to check web sites against an external database.
CAC Content Access Controls allow you to control Internet access on a per user
basis.
Static Routes Static routes tell the ZyXEL Device how to forward IP traffic when you
configure the TCP/IP parameters manually.
16 IP and 4 Bridge
Traffic Redirect Traffic redirect forwards WAN traffic to a backup gateway when the ZyXEL
Device cannot connect to the Internet, thus acting as an auxiliary if your
regular WAN connection fails.
LAN/DMZ Interface The ZyXEL Device provides a LAN port that can function as a virtual
DeMilitarized Zone (DMZ) port. Public servers (Web, FTP, etc.) attached to
the DMZ port are visible to the outside world (while still being protected from
DoS (Denial of Service) attacks such as SYN flooding and Ping of Death) and
can also be accessed from the secure LAN.
Zero Configuration
Internet Access
Once you connect and turn on the ZyXEL Device, it automatically detects the
Internet connection settings (such as the VCI/VPI numbers and the
encapsulation method) from the ISP and makes the necessary configuration
changes. In cases where additional account information (such as an Internet
account user name and password) is required or the ZyXEL Device cannot
connect to the ISP, you will be redirected to web screen(s) for information
input or troubleshooting.
Table 146 Firmware Specifications (continued)
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