Threat logs display entries when traffic matches one of the Security Profiles attached to a security rule on the firewall. Each entry includes the following information: date and time; type of threat (such as virus or spyware); threat description or URL (Name column); source and destination zones, addresses, source and destination dynamic address groups, and ports; application name; alarm action (such as allow or block); and severity level.
A dynamic address group only appears in a log if the rule the traffic matches includes a dynamic address group. If an IP address appears in more than one dynamic address group, the firewall displays up to five dynamic address groups in logs along with the source IP address
To see more details on individual Threat log entries:
- Click beside a threat entry to view details such as whether the entry aggregates multiple threats of the same type between the same source and destination (in which case the Count column value is greater than one).
The following table summarizes the Threat severity levels:
Serious threats, such as those that affect default installations of widely deployed software, result in root compromise of servers, and the exploit code is widely available to attackers. The attacker usually does not need any special authentication credentials or knowledge about the individual victims and the target does not need to be manipulated into performing any special functions.
Threats that have the ability to become critical but have mitigating factors; for example, they may be difficult to exploit, do not result in elevated privileges, or do not have a large victim pool.
WildFire Submissions log entries with a malicious verdict and an action set to allow are logged as High.
Minor threats in which impact is minimized, such as DoS attacks that do not compromise the target or exploits that require an attacker to reside on the same LAN as the victim, affect only non-standard configurations or obscure applications, or provide very limited access.
Warning-level threats that have very little impact on an organization's infrastructure. They usually require local or physical system access and may often result in victim privacy or DoS issues and information leakage.
Suspicious events that do not pose an immediate threat, but that are reported to call attention to deeper problems that could possibly exist.
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