NETBIOS NS: Invalid Header OPCODE

This protocol anomaly detects a header with an OPCODE field value that is not 0, 5, 6, 7, or 8.

Extended Description

The value of the OPCODE field in a NetBIOS name service packets should be in the range of 0,5,6,7 or 8. The value outside the range would be treated as a protocol anomaly.

Short Name
NETBIOS:NBNS:INVALID:HDR-OPCODE
Severity
Major
Recommended
False
Recommended Action
None
Category
NETBIOS
Release Date
01/30/2004
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3324
False Positive
Unknown

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