ZyXEL Communications USG FLEX H Series - DNS Threat Filter

Chapter 5 Monitor
USG FLEX H Series User’s Guide
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The following table describes the labels in this screen.
5.7.2 DNS Threat Filter
This screen displays DNS threat filter statistics. DNS threat filtering inspects DNS queries made by clients on
your network and compares the queries against a database of blocked or allowed Fully Qualified
Domain Names (FQDNs).
Figure 61 Security Statistics > Reputation Filter > DNS Threat Filter
Table 35 Security Statistics > Reputation Filter > IP Reputation
LABEL DESCRIPTION
Last 24 Hours Summary
Top Entries By Use this field to have the following (read-only) table display the top IP reputation log
entries by Category, Infected/Victim Host or Malicious IP. This table displays the most
common, recent IP reputation logs. See the log screen for less common IP reputation
logs or use a syslog server to record all IP reputation logs.
Select Category to list the most common categories of packets that the Zyxel Device has
detected.
Select Infected/Victim Host to list the most common IP addresses of the infected hosts.
Select Malicious IP to list the most common IPv4 addresses with bad reputation that
have sent packets to the Zyxel Device.
Refresh Click this button to update the report display.
Flush Data Click this button to discard all of the screen’s statistics and update the report display.
IP Reputation Events
Time This field displays the date and time the entry was created.
+ Allow List Select an entry and click this to add it to the IP reputation allow list.
Malicious IP This field displays the IPv4 address with bad reputation.
Infected/Victim Host This field displays the IP address of the infected host.
Threat Category This field displays the category of the entry.
Threat Level This field displays the threat level of the entry.
Occurrences This field displays how many times the Zyxel Device has detected the event described in
the entry.
Apply Click Apply to save your changes back to the Zyxel Device.
Reset Click Reset to return the screen to its last-saved settings.