Chapter 11 Filter configuration
149
Nortel Business Secure Router 252 Configuration — Advanced
Figure 68
Example Filter Rules Summary: Menu 21.1.3
After you have created the filter set, you must apply it.
1
Enter 11 from the main menu to go to menu 11.
2
Then enter
1
to open
Menu 11.1 Remote Node Profile
.
3
Go to the
Edit Filter Sets
field, press
[SPACE BAR]
to select
Yes
and press
[ENTER]
.
4
This brings you to menu 11.1.4. Apply a filter set (our example is filter set 3)
as shown in
Figure 71
.
5
After you enter the set numbers, press
[ENTER
] to confirm and leave menu
11.1.4.
Filter Types and NAT
There are two classes of filter rules,
Generic Filter
(Device) rules and protocol
filter (
TCP/IP
) rules. Generic filter rules act on the raw data that’s going through
between LAN and WAN. Protocol filter
rules act on the IP packets. Generic and
TCP/IP filter rules are discussed in more detail in the next section. When NAT
(Network Address Translation) is enabled, the inside IP address and port number
Menu 21.1.3 - Filter Rules Summary
# A Type Filter Rules M m n
- - ---- --------------------------------------------------------------- - - -
1 Y IP Pr=6, SA=0.0.0.0, DA=0.0.0.0, DP=23 N D F
2 N
3 N
4 N
5 N
6 N
Enter Filter Rule Number (1-6) to Configure: 1
Summary of Contents for 252
Page 14: ...14 Contents NN47923 501 ...
Page 20: ...20 Figures NN47923 501 ...
Page 24: ...24 Tables NN47923 501 ...
Page 30: ...30 Preface NN47923 501 ...
Page 42: ...42 Chapter 1 Getting to know your Nortel Business Secure Router 252 NN47923 501 ...
Page 48: ...48 Chapter 2 Introducing the SMT NN47923 501 SMT menus at a glance Figure 6 SMT overview ...
Page 72: ...72 Chapter 3 WAN and Dial Backup Setup NN47923 501 ...
Page 80: ...80 Chapter 4 LAN setup NN47923 501 ...
Page 84: ...84 Chapter 5 Internet access NN47923 501 ...
Page 98: ...98 Chapter 6 Remote Node setup NN47923 501 ...
Page 102: ...102 Chapter 7 IP Static Route Setup NN47923 501 ...
Page 130: ...130 Chapter 9 Network Address Translation NAT NN47923 501 ...
Page 156: ...156 Chapter 12 SNMP Configuration NN47923 501 ...
Page 178: ...178 Chapter 14 System information and diagnosis NN47923 501 ...
Page 198: ...198 Chapter 15 Firmware and configuration file maintenance NN47923 501 ...
Page 212: ...212 Chapter 17 Remote Management NN47923 501 ...
Page 232: ...232 Appendix B Triangle Route NN47923 501 ...
Page 252: ...252 Appendix D PPPoE NN47923 501 ...
Page 256: ...256 Appendix E Hardware specifications NN47923 501 ...
Page 266: ...266 Appendix F IP subnetting NN47923 501 ...
Page 308: ...308 Appendix H NetBIOS filter commands NN47923 501 ...
Page 332: ...332 Appendix K Brute force password guessing protection NN47923 501 ...