D-Link DFL-260E Log Reference Guide for DFL-260E - Page 383

2.33. REASSEMBLY Chapter 2. Log Message Reference 2.33. REASSEMBLY These log messages refer to the REASSEMBLY (Events concerning data reassembly) category. 2.33.1. ack_of_not_transmitted_data (ID: 04800002) Default Severity Log Message Explanation Gateway Action Recommended Action Revision Context Parameters 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 2.33.2. invalid_tcp_checksum (ID: 04800003) Default Severity Log Message Explanation Gateway Action Recommended Action Revision Context Parameters NOTICE TCP segment with invalid checksum A TCP segment with an invalid checksum was received. The segment will be dropped. drop None. 1 Connection 2.33.3. mismatching_data_in_overlapping_tcp_segment (ID: 04800004) Default Severity Log Message Explanation Gateway Action Recommended Action 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. 383