Timestamp for when the connection was blocked by the firewall
The Destination Port of the blocked connection (your end)
This tells you what kind of firewall event this log line is for: accept or deny.
Raw syslog message for the event
Connection protocol used to make the call that was blocked (tcp, udp, etc)
The Source IP Address of the call that was blocked (attacker's end)
The Source Port where the blocked connection was established (attacker's end)
If this is an aggregation of syslog events, this property shows the total events.