Default Severity WARNING
Log Message Invalid ICMP data length. ICMPDataLen=<icmpdatalen>
ICMPIPHdrMinLen=<icmpiphdrminlen>. Dropping
Explanation The ICMP data is not large enough to contain an IPv4 Header.
Dropping packet.
Gateway Action drop
Recommended Action None.
Revision 1
Parameters icmpdatalen
icmpiphdrminlen
Context Parameters Rule Name
Packet Buffer
2.36.26. invalid_icmp_data_ip_ver (ID: 07000072)
Default Severity WARNING
Log Message Invalid ICMP data. ICMPDataLen=<icmpdatalen>
ICMPIPVer=<icmpipver>. Dropping
Explanation An invalid IP version is specified in the ICMP data. Version 4
expected. Dropping packet.
Gateway Action drop
Recommended Action None.
Revision 1
Parameters icmpdatalen
icmpipver
Context Parameters Rule Name
Packet Buffer
2.36.27. invalid_icmp_data_too_small (ID: 07000073)
Default Severity WARNING
Log Message Invalid ICMP data length. ICMPDataLen=<icmpdatalen>
ICMPIPHdrLen=<icmphdrlen>. Dropping
Explanation The ICMP data length is invalid. It must be large enough for the
actual header, and the header must specify that it is atleast 20 bytes
long. Dropping packet.
Gateway Action drop
Recommended Action None.
Chapter 2: Log Message Reference
454
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