Parameters
seqno
accstart
accend
Context Parameters
Rule Name
Connection
Packet Buffer
2.57.14. unacceptable_ack (ID: 03300017)
Default Severity
Log Message
TCP acknowledgement <ack> is not in the acceptable range
<accstart>-<accend>. Dropping
Explanation
A TCP segment with an unacceptable acknowledgement number
was received during state SYN_SENT. The packet will be dropped.
Gateway Action
drop
Recommended Action
None.
Revision
1
Parameters
ack
accstart
accend
Context Parameters
Rule Name
Connection
Packet Buffer
2.57.15. rst_without_ack (ID: 03300018)
Default Severity
Log Message
TCP RST segment without ACK during state SYN_SENT. Dropping
Explanation
A TCP segment with the RST flag but not the ACK flag was received
during state SYN_SENT. The packet will be dropped.
Gateway Action
drop
Recommended Action
None.
Revision
1
Context Parameters
Rule Name
Connection
Packet Buffer
2.57.16. tcp_seqno_too_high (ID: 03300019)
Chapter 2: Log Message Reference
597
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...