Westermo MDI-112-F4G - Manual (Page 122)

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Source/Destination Wildcard: This command allows user to define single host or
a group of hosts based on the wildcard. Some of the allowance examples are as
below:
Wildcard Bit Number
of allowance
Note
Any 11111111.11111111.
11111111.11111111 All All IP addresses.
Or
a mask:
255.255.255.255
Host 0.0.0.0 1 Only the Source
or Destination
host.
0.0.0.3 0.0.0.(00000011) 3
0.0.0.7 0.0.0.(00000111) 7
0.0.0.15 0.0.0.(11111111) 15
….
Note: The mask is a wildcard mask: the high-order bits of the mask that are
binary zeros determine how many corresponding high-order bits in the IP address
are significant. The selected action applies to any source address with these
high-order bits.
Protocol: Select a protocol you want associate with the filter. The field includes IP,
TCP, UDP or ICMP type.
Destination Port: TCP/UDP port of the Destination Port field.
ICMP Type: The ICMP Protocol Type range from 1 ~ 255.
ICMP Code: The ICMP Protocol Code range from 1 ~ 255.
Egress Port: Bind this Filter to selected egress port.
Click the Add button to add the rule to the Filter. Click the Remove button to
remove the selected rule from Filter. Click the Modify button to edit the rule
which you selected. Click the Reload button to reload the rule table.
Click the Apply button to apply the Filter configurations.