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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
2.42.15. rst_without_ack (ID: 03300018)
Default Severity
NOTICE
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
2.42.16. tcp_seqno_too_high (ID: 03300019)
Default Severity
WARNING
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
2.42.15. rst_without_ack (ID:
03300018)
Chapter 2. Log Message Reference
429
Summary of Contents for DFL-210 - NetDefend - Security Appliance
Page 25: ...List of Tables 1 Abbreviations 28 25...
Page 26: ...List of Examples 1 Log Message Parameters 27 2 Conditional Log Message Parameters 27 26...
Page 36: ...1 3 Severity levels Chapter 1 Introduction 36...
Page 195: ...2 12 6 route_removed ID 01100006 Chapter 2 Log Message Reference 195...
Page 409: ...2 40 19 scp_failed_not_admin ID 04704000 Chapter 2 Log Message Reference 409...
Page 476: ...2 49 14 zd_block ID 03800014 Chapter 2 Log Message Reference 476...