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2020/04/07 WCC Lite user manual
Network
: Mode and SSID of network point.
MAC­Address
: The media access control address of IPv4 network interface.
Hostname
: The label or IP address that is used to identify the device in the network.
Signal/Noise
: Received signal level over the background noise level. ­30 dBm is the maximum
achievable signal strength, ­70 dBm is the minimum signal strength for reliable packet delivery in
the wireless network
RX Rate/TX rate : Used measure data transmission in the wireless network over bandwidth. RX Rate
represents the rate at which data packets being received by the device, TX Rate represents the rate
at which data packets being sent from the device.
Board information
Board information provides the following details:
Hardware version
: Current hardware version;
Serial number
: Serial number of the board;
SoC ID
: Unique identifier of CPU unit;
8.4.2 Firewall
IPv4 Firewall
Firewall rule list for IPv4 traffic.
Table
: The four distinct tables which store rules regulating operations on the packet. Filter concerns
filtering rules. NAT concerns translation of source or destination addresses and ports of packages.
Mangle table is for specialized packet alteration. The raw table is for configuration exceptions.
Chain
: The list of rules. Filter table has the following built­in chains: Input – concerns packets whose
destination is the firewall itself, Forward – concerns packets transiting through the firewall, Output –
concerns packets emitted by the firewall, Reject – reject the packet, Accept – allow the packet to go
on its way. NAT table has the following built­in chains: Prerouting – to modify packets as soon as
they arrive, Postrouting – to modify packets when they are ready to go on their way. Mangle table
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