Cerio OW-400 A1 User Manual page 121

Active: Administrator can select Enable or Disable the service.
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Comment: Enter the description of IP filter rule.
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Policy: Administrator can select the IP flow rule of Deny or Pass.
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In/ Out: Administrator can select the IP flow rule of In/out bound.
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Protocol: Set used service Port of TCP, UDP or ICMP.
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Source Address/Mask: Enter desired source IP address and netmask. i.e. 192.168.2.10/32 or
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192.168.2.10/255.255.255.0
Source Port: Enter a port or a range of ports as start:end. i.e. port 20:80
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Destination Address/Mask: Enter desired destination IP address and netmask. i.e.
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192.168.1.10/32 or 192.168.2.10/255.255.255.0
Destination Port: Enter a port or a range of ports as start:end. i.e. port 20:80
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Listen: Select Enable radial button to match TCP packets only with the SYN flag.
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Interface: The interface that a filter rule applies.
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Schedule: Can choose to use rule by "Time Policy".
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All packets are allowed by default. Deny rules could be added to the filter list
to filter out unwanted packets and leave remaining allowed.
Click "Save" button to save your set function. Then click "Reboot" button to activate your changes.
V4.0