into IP Filter
Filter Active?
Apply SrcAddrMask
to Src Addr
Check Src
IP Addr
Matched
Apply DestAddrMask
to Dest Addr
Check Dest
IP Addr
Matched
IP Protocol
Matched
Check Src &
Dest Port
Matched
Action Matched
Drop
Drop Packet
Filter Configuration
Prestige 314 Broadband Sharing Gateway with 4-Port Switch
Packet
No
Yes
Not Matched
Not Matched
Check
Not Matched
Not Matched
More?
Yes
No
Check Next Rule
Forward
Figure 7-9 Executing an IP Filter
Check Next Rule
Check Next Rule
Action Not Matched
Drop
Forward
Accept Packet
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