Bad_Grp (Id: 04200015); Invalid_Report_Grp_Record (Id: 04200016) - D-Link DFL-260E Log Reference Manual

Explanation
Gateway Action
Recommended Action
Revision
Parameters
Context Parameters

2.28.14. bad_grp (ID: 04200015)

Default Severity
Log Message
Explanation
Gateway Action
Recommended Action
Revision
Parameters

2.28.15. invalid_report_grp_record (ID: 04200016)

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