Abbildung 8-9 Verarbeitung Eines Ip-Filters - ZyXEL Prestige 650H-17 Benutzerhandbuch

Prestige 650H-17 ADSL-Router
Packet
into IP Filter
Filter Active?
Yes
Apply SrcAddrMask
to Src Addr
Check Src
IP Addr
Matched
Apply DestAddrMask
to Dest Addr
Check Dest
IP Addr
Matched
Check
IP Protocol
Matched
Check Src &
Dest Port
Matched
More?
No
Action Matched
Drop
Drop Packet
8-12
No
Not Matched
Not Matched
Not Matched
Not Matched
Yes
Check Next Rule
Check Next Rule
Forward
Check Next Rule

Abbildung 8-9 Verarbeitung eines IP-Filters

Action Not Matched
Drop Forward
Accept Packet
Filterkonfiguration