D-Link NetDefend DFL-210

Recommended Action
None.
Revision
1
Context Parameters
Rule Name
Packet Buffer
2.43.15. multiple_tcp_ws_options (ID: 03400017)
Default Severity
WARNING
Log Message
Multiple window scale options present in a single TCP segment
Explanation
Multiple TCP window scale options present in a single TCP segment.
Gateway Action
strip
Recommended Action
None.
Revision
1
Context Parameters
Connection
Packet Buffer
2.43.16. too_large_tcp_window_scale (ID: 03400018)
Default Severity
WARNING
Log Message
TCP window scale option with shift count <shift_cnt> was received.
The shift count will be lowered to 14.
Explanation
A TCP segment with a window scale option specifying a shift count
that is larger than 14 was received. The shift count will be lowered to
14.
Gateway Action
adjust
Recommended Action
None.
Revision
1
Parameters
shift_cnt
Context Parameters
Connection
Packet Buffer
2.43.17. mismatching_tcp_window_scale (ID: 03400019)
Default Severity
WARNING
Log Message
Mismatching TCP window scale shift count. Expected <old> got
<new> will use <effective>
Explanation
TCP segment with a window scale option specifying a different shift
count than previous segments was received. The lower of the two
values will be used.
2.43.15. multiple_tcp_ws_options (ID:
03400017)
Chapter 2. Log Message Reference
437