Cisco Cisco Firepower Management Center 2000 Guia Do Programador

The following table describes the fields in the Security Zone Name data block.

The eStreamer service transmits metadata containing information on the name of the interface associated 
with an intrusion event or connection event within an Interface Name record, the format of which is 
shown below. (Interface name information is sent when the Version 4 metadata flag—bit 20 in the 
Request Flags field of a request message—is set. See 

.) Note that the Record 

Type field, which appears after the Message Length field, has a value of 

116

, indicating an Interface 

Name record. It contains a UUID String data block, block type 14 in the series 2 set of data blocks.

Security Zone 
Name Data Block 
Type

uint32

Initiates a Security Zone Name data block. This value is always 

14

. The block type is a series 2 block.

Security Zone 
Name Data Block 
Length

uint32

Length of the data block. Includes the number of bytes of data 
plus the 8 bytes in the two data block header fields.

Security Zone 
UUID

uint8[16]

The unique identifier for the security zone associated with the 
connection event.

String Block Type

uint32

Initiates a String data block containing the name of the security 
zone. This value is always 

0

.

String Block 
Length

uint32

The number of bytes included in the security zone name String 
data block, including eight bytes for the block type and header 
fields plus the number of bytes in the name.

Security Zone 
Name

string

The security zone name.

Byte

0

1

2

3

Bit

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Header Version (1)

Message Type (4)

Message Length

Record Type (116)

Record Length

Interface Name Data Block (14)

Interface Name Data Block Length

Interface UUID

String Block Type (0)