NETGEAR UTM5EW-100NAS Invalid Packet Logging, Icmp Redirect Logs, Multicast/Broadcast Logs, 656

ProSecure Unified Threat Management (UTM) Appliance

ICMP Redirect Logs

This section describes logs that are generated when the UTM processes ICMP redirect messages.

Table 175. System logs: unicast, redirect

Message	Feb 2007 22 14:36:07 [UTM] [kernel] [LOG_PACKET] SRC=192.168.1.49 DST=
	192.168.1.124 PROTO=ICMP TYPE=5 CODE=1
Explanation	•	This packet is an ICMP redirect message sent to the device by another device.
	•	For other settings, see Table 161 on page 648.
Recommended Action	None.

Multicast/Broadcast Logs

This section describes logs that are generated when the UTM processes multicast and broadcast packets.

Table 176. System logs: multicast/broadcast

Message	Jan 1 07:24:13 [UTM] [kernel] MCAST-BCAST IN=WAN OUT=SELF SRC=
	192.168.1.73 DST=192.168.1.255 PROTO=UDP SPT=138 DPT=138
Explanation	•	The multicast or broadcast packet is sent to the device from the WAN network.
	•	For other settings, see Table 161 on page 648.
Recommended Action	None.

Invalid Packet Logging

This section describes logs that are generated when the UTM processes invalid packets.

Table 177. System logs: invalid packets

Message	2007 Oct 1 00:44:17 [UTM] [kernel] [INVALID]
	[NO_CONNTRACK_ENTRY] [DROP] SRC=192.168.20.10
	DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation	No connection tracking entry exists.
Recommended Action	None.
Message	2007 Oct 1 00:44:17 [UTM] [kernel]
	[INVALID][RST_PACKET][DROP] SRC=192.168.20.10
	DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation	Invalid RST packet.
Recommended Action	None.

System Logs and Error Messages

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