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of Ethernet and is commonly implemented by xDSL box Internet Service Provider for
Dial-Up Internet connections.
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PPTP (Point to Point Tunneling Protocol)
It is a standard VPN protocol that secures a private network with encryption and
authentication of User ID and Password.
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RJ-45 Connector
It is a connector that connects Ethernet devices via an Ethernet cable.
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Router
It is a network device that divides a large network into small sub-networks, and that transmits
packets with a routing table.
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Server
A server is the computer that enables its clients to access files stored in it, to make printing,
and to communicate within the same Ethernet network.
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SMTP ( Simple Mail Transfer Protocol )
It is a standard e-mail protocol that defines the message format and manages the e-mail
transmission between e-mail servers.
‧
Software
It is a series of instructions that tells the computer how to process the data.
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Special Applications
They are Internet applications implementing multiple ports, port ranges, dynamically assigned
ports, and special protocols. ZSR0104C SERIES supports the transparent pass-through of
these special applications.
‧
SPI (Stateful Packet Inspection)
It is a type of firewall mechanism that allows the packet to travel between the LAN and the
WAN by examining the protocol and the source or destination IP address of the packet. In
general, it allows sessions initiated from the LAN to the WAN and block sessions from the
WAN to the LAN.
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Static IP Address
Static IP is also a WAN access type provided by some Internet Service Providers. You need to
enter the information of IP address, Subnet Mask, Default Gateway, Primary DNS, and
Secondary DNS IP Address.
‧
Subnet Mask
It is a method used to split IP networks into a series of subnets.
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Switch
It is a network device that transmits packets between nodes on the same network.
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TCP/IP (Transmission Control Protocol/Internet Protocol)
It is a group of network standards that enable computers of different operating systems to
communicate with each other across the network.
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Telnet
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