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System Logs and Error Messages
657
ProSecure Unified Threat Management (UTM) Appliance
Message 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
Explanation Invalid ICMP type.
Recommended Action None.
Message 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
Explanation Invalid TCP flag combination.
Recommended Action None.
Message 2007 Oct 1 00:44:17 [UTM] [kernel]
[INVALID][BAD_CHECKSUM]DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation Bad checksum.
Recommended Action None.
Message 2007 Oct 1 00:44:17 [UTM] [kernel]
[INVALID][BAD_HW_CHECKSUM][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=ICMP TYPE=3 CODE=0
Explanation Bad hardware checksum for ICMP packets.
Recommended Action None.
Message [INVALID][MALFORMED_PACKET][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation Malformed packet.
Recommended Action None.
Message 2007 Oct 1 00:44:17 [UTM] [kernel]
[INVALID][SHORT_PACKET][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation Short packet.
Recommended Action None.
Message [INVALID][ INVALID_STATE][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation Packet with invalid state.
Recommended Action None.
Table 177. System logs: invalid packets (continued)