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Reference Manual for the Model DG824M Wireless ADSL Modem Gateway
5-12 Managing Your Network
• Router operation (start up, get time, etc.)
• Known DoS attacks and Port Scans
Saving Log Files on a Server
You can choose to write the logs to a PC running a syslog program. To activate this feature, check
the box under Syslog and enter the IP address of the server where the log file will be written.
Examples of log messages
Following are examples of log messages. In all cases, the log entry shows the timestamp as: Day,
Year-Month-Date Hour:Minute:Second
Activation and Administration
Tue, 2002-05-21 18:48:39 - NETGEAR activated
[This entry indicates a power-up or reboot with initial time entry.]
Tue, 2002-05-21 18:55:00 - Administrator login successful - IP:192.168.0.2
Thu, 2002-05-21 18:56:58 - Administrator logout - IP:192.168.0.2
[This entry shows an administrator logging in and out from IP address 192.168.0.2.]
Tue, 2002-05-21 19:00:06 - Login screen timed out - IP:192.168.0.2
[This entry shows a time-out of the administrator login.]
Wed, 2002-05-22 22:00:19 - Log emailed
[This entry shows when the log was emailed.]
Dropped Packets
Wed, 2002-05-22 07:15:15 - TCP packet dropped - Source:64.12.47.28,4787,WAN -
Destination:134.177.0.11,21,LAN - [Inbound Default rule match]
Sun, 2002-05-22 12:50:33 - UDP packet dropped - Source:64.12.47.28,10714,WAN -
Destination:134.177.0.11,6970,LAN - [Inbound Default rule match]
Sun, 2002-05-22 21:02:53 - ICMP packet dropped - Source:64.12.47.28,0,WAN -
Destination:134.177.0.11,0,LAN - [Inbound Default rule match]
[These entries show an inbound FTP (port 21) packet, UDP packet (port 6970), and ICMP
packet (port 0) being dropped as a result of the default inbound rule, which states that all
inbound packets are denied.]