Viewing The Firewall Log; Figure 8-2 Menu 21.2 - Firewall Setup; Figure 8-3 Example Firewall Log; Table 8-1 View Firewall Log - ZyXEL Communications ZyXEL ZyWALL 50 User Manual

ZyWALL 50 Internet Security Gateway
The firewall protects against Denial of Service (DOS) attacks when
it is active. The default Policy sets
1. allow all sessions originating from the LAN to the WAN and
2. deny all sessions originating from the WAN to the LAN
You may define additional Policy rules or modify existing ones but
please exercise extreme caution in doing so
Active: No
LAN-to-WAN Set Name: ACL Default Set
WAN-to-LAN Set Name: ACL Default Set
Please configure the Firewall function through ZyWALL Web Configurator.
Configure the firewall rules using the web configurator or CLI commands.

8.3.2 Viewing the Firewall Log

In menu 21, enter 3 to view the firewall log. An example of a firewall log is shown next.
# Time Packet Information
0|Jan 1 00 |From:192.168.17.1 To:192.168.17.255 |default policy |block
| 15:43:19|UDP src port:00520 dest port:00520
1|Jan 1 00 |From:172.20.1.179 To:172.21.1.66
| 15:43:20|UDP src port:03571 dest port:00161
2|Jan 1 00 |From:172.21.1.148 To:172.21.255.255 |default policy |block
| 15:43:20|UDP src port:00137 dest port:00137
Clear Firewall Log (y/n):
An "End of Log" message displays for each mail in which a complete log has been sent. The following is an
example of a log sent by e-mail.
FIELD
# This is the index number of the firewall log. 128 entries
are available numbered from 0 to 127. Once they are
all used, the log will wrap around and the old logs will
8-2
Menu 21.2 - Firewall Setup
Press ENTER to Confirm or ESC to Cancel:
Figure 8-2 Menu 21.2 — Firewall Setup

Figure 8-3 Example Firewall Log

Table 8-1 View Firewall Log

DESCRIPTION
Reason Action
|<2,00> |
|default policy |block
|<2,00> |
|<2,00> |
EXAMPLES
Introducing the ZyWALL Firewall
23