Multi-Tech Systems RF660 User Manual

Chapter 6 – RouteFinder Software  

Multi-Tech Systems, Inc. RouteFinderVPN RF760/660/600VPN User Guide (PN S000323D) 

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On this screen you can configure the advanced packet filter settings. 

 

Check this box to enable the forwarding of H.323 packets across the firewall. Click Save. 

Check this box to enable the forwarding of PPTP packet passthrough (PPTP NAT support). Click Save.  
This includes two features: 

Server behind the firewall and client on the Internet. DNAT of PPTP packets. 

Clients behind the firewall and server on the Internet. SNAT / masquerading of PPTP packets. 

 By default, packets from / via the WAN interface of the RouteFinder, destined to 

any private address, will be dropped. This option allows enabling/disabling of this feature. Click Save when you 
make a change. 

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.  

 Enables/disables dropping of IP fragmented packets.  

 Check the Log (Dropped) Fragmented Packets checkbox to 

enable/disable the logging of dropped IP fragments by the RouteFinder firewall.  

With this option, you can filter / forward packets based on the source MAC address. 

 MAC address-based rules will be applied to packets destined to the firewall and to packets forwarded by 

the firewall. 

 Mac Address of the source machine for which the filter rule has to be added. 

IP Address of the destination host / network for which the filter rule has to be added. 

 The protocol – port part for which the filter rule has to be added. 

Select whether you want the packet to be forwarded or dropped.