2.46. REASSEMBLY
These log messages refer to the REASSEMBLY (Events concerning data reassembly) category.
2.46.1. ack_of_not_transmitted_data (ID: 04800002)
Default Severity INFORMATIONAL
Log Message TCP segment acknowledges data not yet transmitted
Explanation A TCP segment that acknowledges data not yet transmitted was
received. The segment will be dropped.
Gateway Action drop
Recommended Action None.
Revision 1
Context Parameters Connection
2.46.2. invalid_tcp_checksum (ID: 04800003)
Default Severity NOTICE
Log Message TCP segment with invalid checksum
Explanation A TCP segment with an invalid checksum was received. The segment
will be dropped.
Gateway Action drop
Recommended Action None.
Revision 1
Context Parameters Connection
2.46.3. mismatching_data_in_overlapping_tcp_segment (ID:
04800004)
Default Severity ERROR
Log Message Overlapping TCP segment containing different data
Explanation 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.
Gateway Action correct the data
Chapter 2: Log Message Reference
523
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