System information

B&B Electronics, Inc. SPECTRE Configuration Manual
32
SPECTRE_Configuration_Manual_2912m
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1.12. Firewall configuration
The router firewall can be configured to only allow certain hosts to access the router
and internal LAN network or it can only allow traffic on a certain IP port to pass through to the
internal network. Up to 8 filters can be defined when the Allow remote access only from
specified hosts option is selected. The following parameters can be defined for each
filter: Source, Source IP Address, Protocol and Target Port.
Item
Description
Source
single address allows access to only the specific IP address
defined in the Source IP Address
any address allowed access to any IP address
Source IP
address
Host IP address that is allowed to access the router.
Protocol
Protocols allowed for remote access
all access is allowed by all
TCP access is allowed by TCP
UDP - access is allowed by UDP
ICMP access is allowed by ICMP
Target Port
The port number for forwarding to the internal network.
Table 22: Firewall configuration
Caution! The firewall does not filter traffic received over the Ethernet ports.