Recommended Action None.
Revision 1
Parameters ipdatalen
icmpminlen
Context Parameters Rule Name
Packet Buffer
2.36.12. multicast_ethernet_ip_address_mismatch (ID:
07000033)
Default Severity WARNING
Log Message Received packet with a destination IP address <ip_multicast_addr>
that does not match the Ethernet multicast address
<eth_multicast_addr>
Explanation A packet was received with an IP multicast Ethernet address as
destination address, but the IP address in the IP header does
however not match it. This is a known exploit, though the gateway is
currently configured to forward these packets.
Gateway Action ignore
Recommended Action None.
Revision 1
Parameters ip_multicast_addr
eth_multicast_addr
Context Parameters Rule Name
Packet Buffer
2.36.13. oversize_gre (ID: 07000050)
Default Severity WARNING
Log Message Configured size limit for the GRE protocol exceeded. Dropping
Explanation The configured size limit for the GRE protocol was exceeded.
Dropping packet.
Gateway Action drop
Recommended Action This can be changed under the Advanced Settings section.
Revision 1
Parameters proto
Context Parameters Rule Name
Packet Buffer
Chapter 2: Log Message Reference
449
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