beautypg.com

ZyXEL Communications 650 Series User Manual

Page 351

background image

Prestige 650 Series User’s Guide

Filter Configuration

31-13

Packet

into IP Filter

Matched

Matched

Yes

Action Matched

Action Not Matched

More?

No

Filter Active?

Check

IP Protocol

Drop

Drop Packet

Accept Packet

Drop

Forward

Check Next Rule

Check Next Rule

Check Next Rule

Forward

Not Matched

Yes

No

Check Src

IP Addr

Apply SrcAddrMask

to Src Addr

Matched

Check Dest

IP Addr

Apply DestAddrMask

to Dest Addr

Not Matched

Not Matched

Check Src &

Dest Port

Matched

Not Matched

Figure 31-12 Executing an IP Filter