User guide

Chapter 6 – RouteFinder Software
Multi-Tech Systems, Inc. RouteFinder RF850/860 User Guide (PN S000400E) 112
Packet Filters > Advanced
Allow Strict TCP Connection Passthrough
TCP Strict
By default, packets with invalid flag combinations or TCP sequence numbers passing via the
RouteFinder will be dropped. Check the TCP Strict box and click the Save button to allow these
packets to passthrough instead of being dropped. To maintain the Strict TCP connection
default, do not check this box.
Stateful Packet Inspection
Strict
By default, stateful packet inspection will be carried out; therefore, those packets found unclean
will be dropped. This option allows enabling/disabling of this feature. Click Save when you make
a change.
Drop Fragmented Packets
Dropped Fragmented Packets
Enables/disables dropping of IP fragmented packets.
Log (Dropped) Fragmented Packets
Check the Log (Dropped) Fragmented Packets checkbox to enable/disable the logging of
dropped IP fragments by the RouteFinder firewall.
MAC Address-Based Filtering
With this option, you can filter / forward packets based on the source MAC address.
Note: MAC address-based rules will be applied to packets destined to the firewall and to packets
forwarded by the firewall.
Name
Name of the MAC address filtering rule.
Source MAC Address
Mac Address of the source machine for which the filter rule has to be added.
Destination IP Address
IP Address of the destination host / network for which the filter rule has to be added.
Service
The protocol – port part for which the filter rule has to be added.
Action
Select whether you want the packet to be forwarded or dropped.