<grp> makes payload larger than IGMP packet size.
Explanation Harmful condition that potentially could give an attacker full access
to the system. May indicate faulty hardware, an attack or
experimental software.
Gateway Action drop
Recommended Action None, but keep an eye open for for broken hardware somewhere in
the network.
Revision 1
Parameters recv_if
grp
Context Parameters Packet Buffer
2.28.14. bad_grp (ID: 04200015)
Default Severity WARNING
Log Message Bad IGMP Member Report at interface <iface>: Group record request
group <grp> (which is not a multicast group).
Explanation This is most likely a faulty IGMP config.
Gateway Action drop
Recommended Action Specifically check for inconsistent SAT/NAT information in the IGMP
config.
Revision 1
Parameters grp
iface
2.28.15. invalid_report_grp_record (ID: 04200016)
Default Severity WARNING
Log Message Bad IGMP Member Report received. Group record <grp> of
unknown type <type>.
Explanation This indicates faulty software/hardware somewhere on the network.
Gateway Action drop
Recommended Action None, but keep an eye open for for broken hardware somewhere in
the network.
Revision 1
Parameters grp
type
Context Parameters Packet Buffer
Chapter 2: Log Message Reference
312
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