2.33. IP_ERROR
These log messages refer to the IP_ERROR (Packet discarded due to IP header error(s))
category.
2.33.1. too_small_packet (ID: 01500001)
Default Severity WARNING
Log Message Packet is too small to contain IPv4 header
Explanation The received packet is too small to contain an IPv4 header, and will
be dropped.
Gateway Action drop
Recommended Action None.
Revision 2
Context Parameters Rule Name
Packet Buffer
2.33.2. disallowed_ip_ver (ID: 01500002)
Default Severity WARNING
Log Message Disallowed IP version <ipver>
Explanation The received packet has a disallowed IP version, and will be
dropped.
Gateway Action drop
Recommended Action None.
Revision 2
Parameters ipver
Context Parameters Rule Name
Packet Buffer
2.33.3. invalid_ip_length (ID: 01500003)
Default Severity WARNING
Log Message Invalid IP header length - IPTotLen=<iptotlen>,
IPHdrLen=<iphdrlen>
Explanation The received packet IP header specifies an invalid length. The IP
Header length can never be smaller than 20 bytes or longer than the
total packet length. Dropping packet.
Chapter 2: Log Message Reference
418
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