SB3000 & BR3000 Series User
’
s Manual
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Rev. 1.1 (July, 2012)
101
Public Port is the TCP/UDP port of the based device which will accept and forward the connections from
the external network to the host connected to the internal network.
Comments
is the informal field for the comment of the particular port forwarding entry.
Few words about the particular port forwarding entry purpose are saved there usually.
Enabled flag enables or disables the effect of the particular port forwarding entry.
All the added firewall entries are saved in system configuration file, however only the enabled port
forwarding entries will be active during the system operation.
New entries in port forwarding can be saved by activating Save button or discarded by activating
Cancel button in the Port Forwarding configuration window.
DNS Proxy:
The DNS Proxy forwards the Domain Name System requests from the hosts which reside in
the internal network to the DNS server while device is in operating in Router mode.
Valid Primary DNS Server IP needs to be specified for DNS Proxy functionality. Internal network interface
IP of the device should be specified as the DNS server in the host configuration in order DNS Proxy
should be able to get the DNS requests and translate domain names to IP addresses afterwards.
11.3 Bridge mode Firewall Configuration Settings
Firewall
functionality on any router interface can be enabled using the "Enable Firewall" option.
Router Firewall rules can be configured, enabled or disabled while using Firewall configuration window
which is opened with the "Configure" button.
Firewall entries can be specified by using the following criteria:
Interface
the interface (WLAN, LAN or PPP) where filtering of the incoming/passing-through packets is
processed;
IP Type
sets which particular L3 protocol type (ICMP, TCP, UDP, P2P) should be filtered;
Source IP/mask
is the source IP of the packet (specified within the packet header), usually it is the IP of
the host system which sends the packets;
Source Port
is the source port of the TCP/UDP packet (specified within the packet header), usually it is
the port of the host system application which sends the packets;
Destination IP/mask
is the destination IP of the packet (specified within the packet header), usually it is
the IP of the system which the packet is addressed to;
Destination Port
is the destination port of the TCP/UDP packet (specified within the packet header),
usually it is the port of the host system application which the packet is addressed to.
Comments
is the informal field for the comment of the particular firewall entry. Few words about the
particular firewall entry purpose are saved there usually.
On flag
enables or disables the effect of the particular firewall entry. All the added firewall entries are
saved in system configuration file, however only the enabled firewall entries will be active during device
operation.
New entries in Firewall can be saved by activating Apply Setting and Save Changes button or discarded
by activating Cancel button in the Firewall configuration window.
All the active firewall entries are stored in the FIREWALL chain of the iptables filter table, while the device
is operating in Router mode.
PPPoE
: Point-to-Point Protocol over Ethernet (PPPoE) is a virtual private and secure connection between
two systems which enables encapsulated data transport. It is commonly used as the medium for
Summary of Contents for AirEther BR3000 Series
Page 35: ...SB3000 BR3000 Series User s Manual Rev 1 1 July 2012 35 3 6 2 Forward Reflection 3 6 3 VSWR...
Page 36: ...SB3000 BR3000 Series User s Manual Rev 1 1 July 2012 36 3 6 4 3 6 5 E Plane Field Patterns...
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