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G. System Logs and Error Messages
This appendix provides examples and explanations of system logs and error message. When
applicable, a recommended action is provided. This appendix contains the following sections:
• System Log Messages
• Service Logs
• Content-Filtering and Security Logs
• Routing Logs
This appendix uses the log message terms that are described in the following table:
Table 161. Log message terms
Term Description
[UTM] System identifier.
[kernel] Message from the kernel.
CODE Protocol code (for example, protocol is ICMP, type 8) and CODE=0 means successful reply.
DEST Destination IP address of the machine to which the packet is destined.
DPT Destination port.
IN Incoming interface for packet.
OUT Outgoing interface for packet.
PROTO Protocol used.
SELF Packet coming from the system only.
SPT Source port.
SRC Source IP address of machine from which the packet is coming.
TYPE Protocol type.