2.34. Reassembly; Ack_Of_Not_Transmitted_Data (Id: 04800002); Invalid_Tcp_Checksum (Id: 04800003); Mismatching_Data_In_Overlapping_Tcp_Segment (Id: 04800004) - D-Link DFL-260E Log Reference Manual

2.34. REASSEMBLY

2.34. REASSEMBLY
These log messages refer to the REASSEMBLY (Events concerning data reassembly) category.

2.34.1. ack_of_not_transmitted_data (ID: 04800002)

Default Severity
Log Message
Explanation
Gateway Action
Recommended Action
Revision
Context Parameters

2.34.2. invalid_tcp_checksum (ID: 04800003)

Default Severity
Log Message
Explanation
Gateway Action
Recommended Action
Revision
Context Parameters
2.34.3. mismatching_data_in_overlapping_tcp_segment
(ID: 04800004)
Default Severity
Log Message
Explanation
Gateway Action
Recommended Action
INFORMATIONAL
TCP segment acknowledges data not yet transmitted
A TCP segment that acknowledges data not yet transmitted was
received. The segment will be dropped.
drop
None.
1
Connection
NOTICE
TCP segment with invalid checksum
A TCP segment with an invalid checksum was received. The segment
will be dropped.
drop
None.
1
Connection
ERROR
Overlapping TCP segment containing different data
A TCP segment that partly overlaps segments that has been received
earlier was received. The data in the overlapping part is however
different from the data in the segments received earlier. The segment's
data will be replaced so that it is consistent with the earlier received
segments.
correct the data
Research the source of this errornous traffic.
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Chapter 2. Log Message Reference