
Chapter 11 Filter configuration
145
Nortel Business Secure Router 222 Configuration — Advanced
Figure 66
Executing an IP filter
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
Содержание 222
Страница 14: ...14 Contents NN47922 501 ...
Страница 24: ...24 Tables NN47922 501 ...
Страница 30: ...30 Preface NN47922 501 ...
Страница 46: ...46 Chapter 2 Introducing the SMT NN47922 501 SMT menus at a glance Figure 6 SMT overview ...
Страница 70: ...70 Chapter 3 WAN and Dial Backup Setup NN47922 501 ...
Страница 78: ...78 Chapter 4 LAN setup NN47922 501 ...
Страница 100: ...100 Chapter 6 Remote Node setup NN47922 501 ...
Страница 104: ...104 Chapter 7 IP Static Route Setup NN47922 501 ...
Страница 132: ...132 Chapter 9 Network Address Translation NAT NN47922 501 ...
Страница 154: ...154 Chapter 11 Filter configuration NN47922 501 ...
Страница 158: ...158 Chapter 12 SNMP Configuration NN47922 501 ...
Страница 198: ...198 Chapter 15 Firmware and configuration file maintenance NN47922 501 ...
Страница 212: ...212 Chapter 17 Remote Management NN47922 501 ...
Страница 232: ...232 Appendix B Triangle Route NN47922 501 ...
Страница 252: ...252 Appendix D PPPoE NN47922 501 ...
Страница 260: ...260 Appendix F Hardware specifications NN47922 501 ...
Страница 270: ...270 Appendix G IP subnetting NN47922 501 ...
Страница 308: ...308 Appendix H Command Interpreter NN47922 501 ...
Страница 312: ...312 Appendix I NetBIOS filter commands NN47922 501 ...
Страница 336: ...336 Appendix L Brute force password guessing protection NN47922 501 ...