Westermo RM-80 - Manual (Page 31)

31 6193-4201
MAC Address Filter Configuration:
Add Entries Enter the MAC addresses of devices to be added
to the list. Multiple entries must be separated by
a semi-colon (;).
Delete Entries Check the box alongside entries selected for
removal from the list.
Whitelist or Blacklist Check the box to make the list a whitelist. This
will allow devices with the MAC addresses listed
to communicate with the module and utilise the
radio link. All other devices are blocked unless
they exist in an IP whitelist.
Uncheck the box to make the list a blacklist. This
will prevent all listed devices from using accessing
the module and using the radio link.
Apply Changes Update settings.
Apply Changes and Save Update settings and save to non-volatile memory.
IP Address Filter Configuration:
Add Entries Enter the details of IP traffic to be added to the
list. Protocols ARP, ICMP, TCP and UDP may be
selected. Other IP protocols may be selected
provided the IP protocol number within packets
is known. TCP and UDP traffic may be also lim-
ited to specific port numbers.
Delete Entries Check the delete box alongside entries selected
for removal from the list. Alternatively, check the
enable box alongside entries if you want to make
the rule active.
Whitelist or Blacklist Check the box to make the list a whitelist. This
will only allow traffic described in the list to
be sent over the radio link. All other traffic is
blocked unless it is present in a MAC whitelist.
Uncheck the box to make the list a blacklist. This
will ban all traffic described in the list from being
sent to the module or over the radio link.
Apply Changes Update settings.
Apply Changes and Save Update settings and save to non-volatile memory.
NOTE: When configuring a TCP filter it is often desirable to also configure both an ARP
and an ICMP filter for the same IP Address range. The ARP filter is required whenever
the sending device does not have a fixed IP to MAC Address translation table entry (i.e.
whenever the device may need to send an ARP request to determine the MAC address
of a device with a known IP Address). An ICMP filter is needed to allow/disallow “pings”.