Operation Manual
SFX SERIES USER’S GUIDE 
Rev 2.2 61 
The following fields can be edited on the Edit Default Filtering Rule page: 
Edit Field  Description 
Rule Status  This drop down box selects the default action that will be taken on an incoming IP packet if 
there was no rule match in the Filtering Table. The following selections are available: 
Accept – accept packet and continue processing and output. 
Drop – throw away the packet. 
Figure 2- 33 Edit Filtering Table Page 
The following fields can be edited on the Edit Filtering Table page: 
Edit Field  Description 
!  Clicking on the “not” (!) check box negates the logic for the immediate edit field to the right of the 
check box. For example, !192.168.1.86 for the Source IP would mean all IP packets whose 
source IP address is not 192.168.1.86. 
Source IP  Enter a source IP Address in dotted decimal notation, here if you wish to filter IP packets on 
their source IP address. 
Port 
Enter a TCP or UDP Port number in any of the two port fields ((Source IP, Destination IP), if you 
wish. If a port is specified, you must select a specific protocol (TCP or UDP). 
Destination IP  Enter a Destination IP Address in dotted decimal notation, here if you wish to filter IP packets on 
their destination IP address. 
Protocol  Enter the IP packet protocol. Options are All Protocols (default), UDP/IP Protocol, or TCP/IP 
Protocol. If port numbers are specified in a rule, you must select UDP or TCP. 
Action  Select an action to be taken for the filtering operation. The three selections are: 
Accept – accept packet and continue processing and output. 
Reject – throw away the packet, but send an ICMP Destination Unreachable message back on 
the originating host network interface. This is useful for eth0 and eth1 originating packets. If the 
NOTE
:
 The 
Source IP/Port 
and Destination 
IP/Port fields 
are optional, 
and “Any” is the 
implied default 
value. 










