Invalid Packet Logging - NETGEAR UTM5 Reference Manual

ProSecure Unified Threat Management (UTM) Appliance
ICMP Redirect Logs
This section describes logs that are generated when the UTM processes ICMP redirect
messages.
Table 169. System logs: unicast, redirect
Message
Explanation
Recommended Action
Multicast/Broadcast Logs
This section describes logs that are generated when the UTM processes multicast and
broadcast packets.
Table 170. 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 171. System logs: invalid packets
Message
Explanation
Recommended Action
Message
Explanation
Recommended Action
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
• This packet is an ICMP redirect message sent to the device by another device.
• For other settings, see
None.
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
• The multicast or broadcast packet is sent 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.
System Logs and Error Messages
605
Table 154 on page 597.
Table 154 on page 597.