Star Tech Development BR4100DC manual

Page 55

53

Port: A number used to identify a specific process or application (such as HTTP or SMTP) to which an Internet or other network message is to be forwarded. If you are operating behind a firewall, you may need to open specific ports to allow users to access these applications.

PPPoE (Point-to-Point Protocol over Ethernet): A communications specification for connecting multiple users on an Ethernet LAN to the Internet through a common broadband medium, such as a single DSL line. PPPoE users have to log in with a user name and password in order to access the Internet.

PPTP (Point-to-Point Tunneling Protocol): A technology that ensures that messages sent between VPN nodes over the Internet are secure. PPTP users can dial into corporate networks via the Internet.

Private IP Address: An IP address given to a LAN device that is unknown to the Internet. These are unregistered IP addresses that have been set aside for use in a LAN environment where constant connection to the Internet is not required. See also: NAT.

Protocol: An objective set of rules for how computers communicate with each other across networks. A protocol describes the form a message must take as well as how that message is exchanged. Hypertext Transfer Protocol (HTTP), for example, governs the way information is exchanged on the World Wide Web.

Public IP Address: A unique, “legal” IP address allocated by an ISP that is used when accessing the Internet. A public IP address can be reached by another device over the Internet. See also: NAT.

RIP Defect (Routing Information Protocol Defect): A type of attack where a hacker sends bogus routing information to a target host causing all information intended for the target host to be routed to the intruder host instead.

Router: An intelligent network device that forwards packets between different networks based on network layer address information such as IP addresses.

Static IP Address: A dedicated, unique IP address that has been assigned to a given computer or server for an extended period of time. Static IP addresses are useful if you are operating a computer that other Internet users need to access, such as a web server.

SOHO (Small Office/Home Office): A small or at-home business.

Subnet Mask: A technique used by the IP protocol to filter messages into a particular network segment or subnet. Subnet masks are expressed as four decimal numbers between 0 and 255 separated by periods. (Example: 255.255.255.1) It is used to create private IP addresses for use within a particular network. Also known as a network mask.

TCP/IP (Transmission Control Protocol/Internet Protocol): The basic communication protocol for the Internet. TCP breaks data down into packets, “reassembles” the data at its destination and verifies delivery. IP determines how to address and forward data and sets packet size limitations.

UDP (User Datagram Protocol): A communication protocol used in place of TCP when reliable delivery is not required. For example, UDP is used for realtime video traffic where lost packets are ignored because there is no time to retransmit.

VPN (Virtual Private Network): A private network of computers that use the public

Internet to connect nodes. See also: PPTP.

Image 55
Contents Broadband Router FCC Compliance Statement Table of Contents Tools Before You Begin Introduction FeaturesMinimum Requirements Router Basics ContentsBack Panel Status Description Front PanelThrough Cross Setting Up Your LANGetting Started Modem port is regular Modem port is uplink StraightWindows Me/98/95 Configuring Your PCsWindows XP WindowsWinNT Accessing the Router Home Navigate the Router Management Interface Time Zone Quick SetupBroadband Type Host Name Cable ModemMAC Address Gateway IP Fixed-IP xDSLSubnet Mask User Name PasswordPlease retype your password Service NamePptp Gateway Default GatewayIP Address User IDGeneral Settings Time Zone SystemRe-Enter Password Password SettingsCurrent Password New PasswordHost Address Remote ManagementWAN Address Domain Name Server DNSSecondary DNS Address Bridge Example Bridge Mode IP Address Pool IP Subnet MaskDhcp Server Lease TimeAddress Mapping Address MappingType Virtual ServerPrivate IP Private PortExample Virtual Server Trigger Type EnabledTrigger Port Between 0Example Special Applications Firewall Block Time Access ControlEnable Client Filtering PortExample Access Control Your E-mail Address DoS ProtectionDiscard Ping from WAN RIP DefectPublic IP Address Enable DMZClient IP Address Status Primary DNS Internet ConnectionCable/DSL GatewayFirewall Device StatusSecurity Log Security LogDhcp Client Log Dhcp Client LogRestore to Factory Defaults Configuration ToolsBackup RestoreFirmware Upgrade Firmware UpgradeReset Appendix a Find and record your computer’s IP configuration settingsPopular Port Numbers Appendix BApplication Protocol Port Number Appendix C Setting a Static IP AddressWindows XP/2000 Windows NT Troubleshooting Ping an outside IP address If problems persist, try resetting the routerTest your Internet connection Ping your routerMicrosoft Internet Explorer 5.0 or higher Online Gaming ProblemsForgotten Password Remove your proxy settingsGlossary Physical Address See MAC Address Network Mask See Subnet MaskPage Technical Specifications Limitation of Liability Warranty InformationTechnical Support On-line helpRevised February 20