Filter
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DI-304/DI-304M ISDN Remote Router
♦ Branch to Other Filter Set – If the packet matches the filter rule, the
next filter rule will branch to the specified filter set.
♦ Duplicate to LAN – If you want to log the matched packets to another
network device, check this box to enable it. The MAC Address is defined
in General Setup → MAC Address for Packet Duplication.
♦ Log – Check this box to enable the log function. Use the Telnet command
"log -f" to view the logs.
♦ Direction – Set the direction of packet flow. For the Call Filter, this
setting is irrelevant.
IN: Specify the rule for filtering incoming packets.
OUT: Specify the rule for filtering outgoing packets.
♦ Protocol – Specify the protocol(s) this filter rule will apply to.
♦ IP Address – Specify a source and destination IP address for this filter
rule to apply to. Placing the symbol "!" before a particular IP Address will
prevent this rule from being applied to that IP address. It is equal to the
logical NOT operator.
♦ Subnet Mask – Specify the Subnet Mask for the IP Address column for
this filter rule to apply to.
♦ Operator – The operator column specifies the port number settings. If the
Start Port is empty, the Start Port and the End Port column will be
ignored. The filter rule will filter out any port number.
= : If the End Port is empty, the filter rule will set the port
number to be the value of the Start Port. Otherwise, the
port number ranges between the Start Port and the End
Port (including the Start Port and the End Port).
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