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Default Severity
Log Message
TCP sequence number <seqno> is not in the acceptable range
<accstart>-<accend>. Dropping
Explanation
A TCP segment with an unacceptable sequence number was
received. The packet will be dropped.
Gateway Action
drop
Recommended Action
None.
Revision
1
Parameters
seqno
accstart
accend
Context Parameters
Rule Name
Connection
Packet Buffer
2.57.17. tcp_recv_windows_drained (ID: 03300022)
Default Severity
Log Message
Out
of
large
TCP
receive
windows.
Maximum
windows:
<max_windows>. Triggered <num_events> times last 10 seconds.
Explanation
The TCP stack could not accept incomming data since it has run out
of
large
TCP
receive
windows.
This
event
was
triggered
[num_events] times during the last 10 seconds.
Gateway Action
close
Recommended Action
If the system is configured to use TCP based ALGs, increase the
amount of maximum sessions parameter on the associated service.
Revision
1
Parameters
max_windows
[num_events]
2.57.18. tcp_snd_windows_drained (ID: 03300023)
Default Severity
Log Message
Out
of
large
TCP
send
windows.
Maximum
windows:
<max_windows>. Triggered <num_events> times last 10 seconds.
Explanation
The TCP stack could not send data since it has run out of large TCP
send windows. This event was triggered [num_events] times during
the last 10 seconds.
Gateway Action
close
Chapter 2: Log Message Reference
598
Summary of Contents for NetDefend DFL-260E
Page 32: ...List of Tables 1 Abbreviations 35 32...
Page 33: ...List of Examples 1 Log Message Parameters 34 2 Conditional Log Message Parameters 34 33...
Page 42: ...routemetric Route metric cost Chapter 1 Introduction 42...
Page 44: ...Chapter 1 Introduction 44...
Page 216: ...Rule Information Connection Chapter 2 Log Message Reference 216...
Page 243: ...client_ip Context Parameters Rule Name Packet Buffer Chapter 2 Log Message Reference 243...
Page 556: ...logger Chapter 2 Log Message Reference 556...
Page 613: ...Parameters location Chapter 2 Log Message Reference 613...