Where is the log stored on ESXi and KVM transport nodes?

The security administrator turns on logging for a firewall rule.
Where is the log stored on ESXi and KVM transport nodes?
A. /var/log/vmware/nsx/fIrewall.log
B. /var/log/fw.log
C. /var/log/messages.log
D. /var/log/dfwpktlogs.log