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INTERNET
World Wide Web: Some applications require multiple connections, such as Internet gaming, video conferencing, Internet telephony and others. These applications cannot work when Network Address Translation (NAT) is enabled. If you need to run applications that require multiple connections,-specify the port normally associated with an application in the "Trigger Port" field,select the protocol type as TCP or UDP, then enter the public ports associated with the trigger port to open them for inbound traffic. Example: Firewall The Device provides extensive firewall protection by restricting connection parameters to limit the risk of intrusion and defending against a wide array of common hacker attacks. However, for applications that require unrestricted access to the Internet, you can configure a specific client/server as a demilitarized zone (DMZ). top Discard PING from WAN side - When this feature is enabled, hosts on the WAN cannot ping the Device. top Client Filtering You can filter Internet access for local clients based on IP addresses, application types, (i.e., HTTP port), and time of day. For example, this screen shows that clients in the address range 192.168.2.50-99 are permanently restricted from using FTP (Port 21), while clients in the address range 192.168.2.110-119 are blocked from browsing the Internet from Monday through Friday. top MAC Control - You can block certain client PCs accessing the Internet based on MAC address. top Virtual DMZ Host - If you have a client PC that cannot run Internet application properly from behind the NAT firewall or after configuring the Special Applications function, then you can open the client up to unrestricted two-way Internet access. Enter the IP address of a DMZ host to this screen. Adding a client to the DMZ (Demilitarized Zone) may expose your local network to a variety of security risks, so only use this option as a last resort. top Status You can use the Status screen to see the connection status for the Devices' WAN/LAN interfaces, firmware and hardware version numbers, and the number of connected clients to your network. The following items are included in this screen: INTERNET - Displays WAN connection type and status. GATEWAY - Displays system IP settings, as well as DHCP, NAT and Firewall status. INFORMATION - Displays the number of connected clients, as well as the Device's hardware and firmware version numbers. top Security Logs Security Log - Displays any illegal attempts to access your network. Example :
DHCP Client Log - Displays information on all DHCP clients on your network. top Reset Reset Device - Reboot this device.And retain all existing configuration settings. top Tools Restore Factory Defaults - Reset the settings of this device to the factory default values. Backup Settings - Save the settings of this device to a file. Restore Settings - Restore the settings of this device to the backup settings. top GLOSSARY OF TERMS top DHCP
Dynamic Host Configuration Protocol. This protocol automatically
configures the TCP/IP settings of every computer on your home network. DNS Server
Address DNS stands for Domain Name System, which allows Internet
host computers to have a domain name (such as www.Infineon.com.tw) and one or more
IP addresses (such as 192.34.45.8). A DNS server keeps a database of
host computers and their respective domain names and IP addresses, so
that when a domain name is requested (as in typing " www.Infineon.com.tw"
into your Internet browser), the user is sent to the proper IP address.
The DNS server address used by the computers on your home network is the
location of the DNS server your ISP has assigned. DSL Modem
DSL stands for Digital Subscriber Line. A DSL modem uses your existing
phone lines to transmit data at high speeds. Ethernet A
standard for computer networks. Ethernet networks are connected by
special cables and hubs, and move data around at up to 100 million bits
per second (Mbps). IP Address
IP stands for Internet Protocol. An IP address consists of a series of
four numbers separated by periods, that identifies an single, unique
Internet computer host. Example: 192.34.45.8. ISP Gateway
Address (see ISP for definition). The ISP Gateway Address is an IP
address for the Internet router located at the ISP's office. This
address is required only when using a cable or DSL modem. ISP
Internet Service Provider. An ISP is a business that provides
connectivity to the Internet for individuals and other businesses or
organizations. LAN Local
Area Network. A LAN is a group of computers and devices connected
together in a relatively small area (such as a house or an office). Your
home network is considered a LAN. MAC Address
MAC stands for Media Access Control. A MAC address is the hardware
address of a device connected to a network. NAT Network
Address Translation. This process allows all of the computers on your
home network to use one IP address. The NAT capability of the Device,
allows you to access the Internet from any
computer on your home network without having to purchase more IP
addresses from your ISP. PPPoE
Point-to-Point Protocol over Ethernet. Point-to-Point Protocol is a
method of secure data transmission originally created for dial-up
connections. PPPoE is for Ethernet connections. Subnet Mask A
subnet mask, which may be a part of the TCP/IP information provided by
your ISP, is a set of four numbers configured like an IP address. It is
used to create IP address numbers used only within a particular network
(as opposed to valid IP address numbers recognized by the Internet. TCP/IP
Transmission Control Protocol/Internet Protocol. This is the standard
protocol for data transmission over the Internet. WAN
Specify the WAN connection type
required by your Internet Service Provider, then click "Apply" to provide detailed configuration
parameters for the selected connection type. Specify one of the first five options to configure a
WAN connection through the RJ-45 port. |