ZyWALL 5 User’s Guide
472
Chapter 35 Filter Configuration
35.3 Example Filter
Let’s look at an example to block outside users from accessing the ZyWALL via telnet. Please
see our included disk for more example filters.
Figure 286
Telnet Filter Example
1
Enter 21
from the main menu to open
Menu 21 - Filter and Firewall Setup
.
2
Enter 1 to open Menu 21.1 - Filter Set Configuration.
3
Enter the index of the filter set you wish to configure (say 3) and press
[ENTER]
.
4
Enter a descriptive name or comment in the
Edit Comments
field and press
[ENTER].
5
Press
[ENTER]
at the message [Press ENTER to confirm] to open
Menu 21.1.3 - Filter
Rules Summary
.
6
Enter 1
to configure the first filter rule (the only filter rule of this set). Make the entries in
this menu as shown in the following figure.
More
If
Yes
, a matching packet is passed to the next filter rule before an action is taken; else the
packet is disposed of according to the action fields.
If
More
is
Yes
, then Action Matched and Action Not Matched will be
No
.
Log
Select the logging option from the following:
None
- No packets will be logged.
Action Matched
- Only packets that match the rule parameters will be logged.
Action Not Matched
- Only packets that do not match the rule parameters will be logged.
Both
– All packets will be logged.
Action
Matched
Select the action for a packet matching the rule.
Options are
Check Next Rule
,
Forward
and
Drop
.
Action Not
Matched
Select the action for a packet not matching the rule.
Options are
Check Next Rule
,
Forward
and
Drop
.
Once you have completed filling in
Menu 21.1.1.1 - Generic Filter Rule
, press [ENTER] at the
message “Press ENTER to Confirm” to save your configuration, or press [ESC] to cancel. This data will
now be displayed on
Menu 21.1.1 - Filter Rules Summary
.
Table 183
Generic Filter Rule Menu Fields
FIELD
DESCRIPTION
Summary of Contents for ZyXEL ZyWALL 5
Page 1: ...ZyWALL 5 Internet Security Appliance User s Guide Version 3 64 3 2005 ...
Page 2: ......
Page 26: ...ZyWALL 5 User s Guide 24 ...
Page 44: ...ZyWALL 5 User s Guide 42 ...
Page 86: ...ZyWALL 5 User s Guide 84 Chapter 3 Wizard Setup ...
Page 96: ...ZyWALL 5 User s Guide 94 Chapter 4 LAN Screens ...
Page 102: ...ZyWALL 5 User s Guide 100 Chapter 5 Bridge Screens ...
Page 130: ...ZyWALL 5 User s Guide 128 Chapter 7 WAN Screens Figure 45 WAN PPPoE Encapsulation ...
Page 138: ...ZyWALL 5 User s Guide 136 Chapter 7 WAN Screens Figure 50 Dial Backup Setup ...
Page 144: ...ZyWALL 5 User s Guide 142 Chapter 7 WAN Screens ...
Page 152: ...ZyWALL 5 User s Guide 150 Chapter 8 DMZ Screens ...
Page 179: ...ZyWALL 5 User s Guide Chapter 10 Firewall Screens 177 Figure 73 My Service Rule Configuration ...
Page 220: ...ZyWALL 5 User s Guide 218 Chapter 13 Introduction to IPSec ...
Page 238: ...ZyWALL 5 User s Guide 236 Chapter 14 VPN Screens Figure 110 VPN Rules IKE Network Policy Edit ...
Page 261: ...ZyWALL 5 User s Guide Chapter 15 Certificates 259 Figure 122 My Certificate Details ...
Page 280: ...ZyWALL 5 User s Guide 278 Chapter 16 Authentication Server Figure 133 Local User Database ...
Page 317: ...ZyWALL 5 User s Guide Chapter 19 Bandwidth Management 315 ...
Page 318: ...ZyWALL 5 User s Guide 316 Chapter 19 Bandwidth Management ...
Page 352: ...ZyWALL 5 User s Guide 350 Chapter 21 Remote Management ...
Page 366: ...ZyWALL 5 User s Guide 364 Chapter 23 Logs Screens Figure 188 Log Settings ...
Page 389: ...ZyWALL 5 User s Guide Chapter 24 Maintenance 387 Figure 210 Restart Screen ...
Page 390: ...ZyWALL 5 User s Guide 388 Chapter 24 Maintenance ...
Page 416: ...ZyWALL 5 User s Guide 414 Chapter 27 WAN and Dial Backup Setup ...
Page 432: ...ZyWALL 5 User s Guide 430 Chapter 30 DMZ Setup ...
Page 492: ...ZyWALL 5 User s Guide 490 Chapter 37 System Information Diagnosis ...
Page 508: ...ZyWALL 5 User s Guide 506 Chapter 38 Firmware and Configuration File Maintenance ...
Page 520: ...ZyWALL 5 User s Guide 518 Chapter 40 Remote Management ...
Page 536: ...ZyWALL 5 User s Guide 534 Chapter 42 Troubleshooting Figure 343 Java Sun ...
Page 564: ...ZyWALL 5 User s Guide 562 Appendix C IP Subnetting ...
Page 570: ...ZyWALL 5 User s Guide 568 Appendix E PPTP ...
Page 571: ...ZyWALL 5 User s Guide 569 ...
Page 572: ...ZyWALL 5 User s Guide 570 ...
Page 590: ...ZyWALL 5 User s Guide 588 Appendix G Triangle Route ...
Page 620: ...ZyWALL 5 User s Guide 618 Appendix J Importing Certificates ...
Page 622: ...ZyWALL 5 User s Guide 620 Appendix K Command Interpreter ...
Page 628: ...ZyWALL 5 User s Guide 626 Appendix L Firewall Commands ...
Page 632: ...ZyWALL 5 User s Guide 630 Appendix M NetBIOS Filter Commands ...
Page 638: ...ZyWALL 5 User s Guide 636 Appendix O Brute Force Password Guessing Protection ...
Page 660: ...ZyWALL 5 User s Guide 658 Appendix Q Log Descriptions ...