syslog
syslog is a standard protocol used to capture information about network activity. the router supports this protocol and can send its activity logs to an external server.
enable syslog. if you check the box, the router’s syslog feature will be enabled.
syslog server. in addition to the standard event log, the router can send a detailed log to an external syslog server. the router’s syslog captures all log activities and includes this information about all data transmissions:
every connection source and destination ip address, ip service, and number of bytes transferred. enter the syslog server name or ip address in the syslog server field. click the save settings button to save your changes, and then restart the router for the changes to take effect.
you may want logs or alert messages to be e-mailed to you. if so, then configure the e-mail settings.
enable e-mail alert. if you check the box, the router’s e-mail alert feature will be enabled.
mail server. if you want any log or alert information e-mailed to you, then enter the name or numerical ip address of your smtp server. your isp can provide you with this information.
send e-mail to. this is the e-mail address to which your log files will be sent. if you do not want copies of the log information e-mailed to you, then leave this field blank.
log queue length. you can designate the length of the log that will be e-mailed to you. the default is 50 entries, so unless you change this setting, the router will e-mail the log to you when there are more than 50 log entries.
log time threshold. you can designate how often the log will be e-mailed to you. the default is 10 minutes, so unless you change this setting, the router will e-mail the log to you every 10 minutes.
the router will e-mail the log every time the log queue length or log time threshold is reached.
e-mail log now. click the e-mail log now button to immediately send the log to the address in the send e-mail to field.
log setting
alert log
you can receive alert logs for specific types of events: syn flooding, ip spoofing, win nuke, ping of death, and unauthorized login attempt. to be notified of a specific event, click its checkbox.
general log
you can receive logs that track specific types of events: system error messages, deny policies, allow policies, configuration changes, and authorized login. to include an event in the log, click its checkbox.
view system log. click this button to display a log of all activities and to access a drop-down menu of the various logs available.
from the drop-down menu, select the log you wish to view: all, system log, access log, firewall log, or vpn log. when you select all, you will see a log of all activities. the system log displays a list of cold and warm starts, web login successes and failures, and packet filtering policies, while the access log shows all activities involving local network or internet access. the firewall log displays all activities regarding the router’s firewall, while the vpn log shows information about vpn tunnel activity.
to clear a log, click the clear button. to update a log, click the refresh button. to exit this screen, click the close button.
outgoing log table. click the outgoing log table button to view a temporary log of all the urls and ip addresses of internet sites that users on your network have accessed. each event is described, and the lan ip address, destination url/ip, and service/port number for each site are listed. click the refresh button to update the log. to exit this screen, click the close button.
incoming log table. click the incoming log table button to view a temporary log describing all the incoming internet traffic. each event is described, and the source ip and destination port number for each event are listed.
click the refresh button to update the log. to exit this screen, click the close button. clear log now. click this button to clear your log without e-mailing it. only use this button if you are willing to lose your log information.
click the save settings button to save your changes, or click the cancel changes button to undo the changes.