Wireless ADSL2+ Modem Router DG834Gv5 User Manual
Managing Your Network
4-10
v1.0, March 2010
Selecting Which Information to Log
Besides the standard information listed previously, you can choose to log additional information.
Those optional selections are as follows:
•
Attempted access to blocked site
•
Connections to the Web-based interface of the modem router
•
Modem 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 computer running a syslog program. To activate this feature,
select to the
Broadcast on LAN
radio button or enter the IP address of the server where the syslog
file will be written.
Log Message Examples
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.]
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, User Datagram Protocol (UDP) packet
(port 6970), and Internet Control Message Protocol (ICMP) packet (port 0) being dropped as a
result of the default inbound rule, which states that all inbound packets are denied.]