Invalid Packet Logging - NETGEAR UTM25-100NAS - Prosecure Utm Appliance 25U No Sub Included Reference Manual

ProSecure Unified Threat Management UTM10 or UTM25 Reference Manual
Multicast/Broadcast Logs
This section describes logs that are generated when the UTM processes multicast and broadcast
packets.
Table C-16. System Logs: Multicast/Broadcast
Message
Explanation
Recommended Action

Invalid Packet Logging

This section describes logs that are generated when the UTM processes invalid packets.
Table C-17. System Logs: Invalid Packets
Message
Explanation
Recommended Action
Message
Explanation
Recommended Action
Message
Explanation
Recommended Action
Message
Explanation
Recommended Action
C-10
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
• This packet (broadcast) is destined to the device from the WAN network.
• For other settings, see
None
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
No connection tracking entry exists.
None
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
Invalid RST packet.
None
2007 Oct 1 00:44:17 [UTM] [kernel]
[INVALID][ICMP_TYPE][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=ICMP TYPE=19 CODE=0
Invalid ICMP type.
None
2007 Oct 1 00:44:17 [UTM] [kernel]
[INVALID][TCP_FLAG_COMBINATION][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Invalid TCP flag combination.
None
v1.0, September 2009
Table C-1.
System Logs and Error Messages