Chapter 6 Monitor
USG20(W)-VPN Series User’s Guide
131
6.20 Log Screens
Log messages are stored in two separate logs, one for regular log messages and one for debugging
messages. In the regular log, you can look at all the log messages by selecting All Logs, or you can
select a specific category of log messages (for example, security policy or user). You can also look
at the debugging log by selecting Debug Log. All debugging messages have the same priority.
6.20.1 View Log
To access this screen, click Monitor > Log. The log is displayed in the following screen.
Note: When a log reaches the maximum number of log messages, new log messages
automatically overwrite existing log messages, starting with the oldest existing log
message first.
• The maximum possible number of log messages in the USG varies by model.
Events that generate an alert (as well as a log message) display in red. Regular logs display in
black. Click a column’s heading cell to sort the table entries by that column’s criteria. Click the
heading cell again to reverse the sort order. The Web Configurator saves the filter settings if you
leave the View Log screen and return to it later.
Avg. Response Time (sec) This is the average for how long it takes to receive a reply from this service.
No Response This is how many queries the USG sent to this service without receiving a reply.
DNSBL Statistics These are the statistics for the DNSBL the USG uses. These statistics are for when
the USG actually queries the DNSBL servers. Matches for DNSBL responses stored
in the cache do not affect these statistics.
# This is the entry’s index number in the list.
DNSBL Domain These are the DNSBLs the USG uses to check sender and relay IP addresses in e-
mails.
Total Queries This is the total number of DNS queries the USG has sent to this DNSBL.
Avg. Response Time (sec) This is the average for how long it takes to receive a reply from this DNSBL.
No Response This is how many DNS queries the USG sent to this DNSBL without receiving a
reply.
Table 55 Monitor > UTM Statistics > Anti-Spam > Status (continued)
LABEL DESCRIPTION
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