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Chapter 11 Filter configuration
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Applying a Filter
This section shows you where to apply the filters after you design them. The
Business Secure Router already has filters to prevent NetBIOS traffic from
triggering calls, and block incoming Telnet, FTP and HTTP connections.
Applying LAN Filters
LAN traffic filter sets are useful to block certain packets, reduce traffic and
prevent security breaches. Go to menu 3.1 (shown next) and enter the numbers of
the filter sets that you want to apply, as appropriate. You can choose up to four
filter sets (from twelve) by entering their numbers separated by commas, for
example., 3, 4, 6, 11. Input filter sets filter incoming traffic to the Business Secure
Router and output filter sets filter outgoing traffic from the Business Secure
Router. For
PPPoE or PPTP encapsulation, you have the additional option of
specifying remote node call filter sets.
Figure 65
Filtering LAN Traffic
Note:
Nortel recommends that you apply filters if you do not activate
the firewall.
Menu 3.1 – LAN Port Filter Setup
Input Filter Sets:
protocol filters=
device filters=
Output Filter Sets:
protocol filters=
device filters=
Ethernet Interface= 10BaseT
Input Filter Sets=
Output Filter Sets=
Press ENTER to Confirm or ESC to Cancel:
Содержание BCM50e
Страница 18: ...18 Figures N0115789 ...
Страница 22: ...22 Tables N0115789 ...
Страница 28: ...28 Preface N0115789 ...
Страница 38: ...38 Chapter 1 Getting to know your BCM50e Integrated Router N0115789 ...
Страница 44: ...44 Chapter 2 Introducing the SMT N0115789 SMT menus at a glance Figure 6 SMT overview ...
Страница 60: ...60 Chapter 4 LAN setup N0115789 ...
Страница 82: ...82 Chapter 6 Remote Node setup N0115789 ...
Страница 86: ...86 Chapter 7 IP Static Route Setup N0115789 ...
Страница 114: ...114 Chapter 9 Network Address Translation NAT N0115789 ...
Страница 136: ...136 Chapter 11 Filter configuration N0115789 ...
Страница 140: ...140 Chapter 12 SNMP Configuration N0115789 ...
Страница 144: ...144 Chapter 13 System security N0115789 ...
Страница 172: ...172 Chapter 15 Firmware and configuration file maintenance N0115789 ...
Страница 186: ...186 Chapter 17 Remote Management N0115789 ...
Страница 206: ...206 Appendix B Triangle Route N0115789 ...
Страница 226: ...226 Appendix D PPPoE N0115789 ...
Страница 232: ...232 Appendix F N0115789 ...
Страница 242: ...242 Appendix G IP subnetting N0115789 ...
Страница 304: ...304 Appendix K Log descriptions N0115789 ...
Страница 306: ...306 Appendix L Brute force password guessing protection N0115789 ...