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Table 3 PTP IEEE-1588 2008 TLVs that can be used to exploit the network

From: Time sensitive networking security: issues of precision time protocol and its implementation

TLV name

Scope

Score

INITIALIZE

BMCS

AC:M/C:N/I:N/A:C

UTC_PROPERTIES

Network,Time

AC:L/C:N/I:N/A:C

VERSION_NUMBER

Network,Time

AC:L/C:N/I:N/A:C

LOG_SYNC_INTERVAL

Network,Time

AC:L/C:N/I:P/A:C

ANNOUNCE_RECEIPT_TIMEOUT

Network,Time

AC:L/C:N/I:N/A:P

LOG_ANNOUNCE_INTERVAL

Network,Time

AC:L/C:N/I:N/A:P

DOMAIN

Network,Time

AC:L/C:N/I:N/A:P

SLAVE_ONLY

Network,Time

AC:L/C:N/I:N/A:P

DISABLE_PORT

Network

AC:L/C:N/I:N/A:C

TIME

Time

AC:L/C:N/I:N/A:C

CLOCK_ACCURACY

BMCS

AC:L/C:N/I:P/A:P

PRIORITY1

BMCS

AC:L/C:N/I:P/A:P

PRIORITY2

BMCS

AC:L/C:N/I:P/A:P

DELAY_MECHANISM

Network

AC:L/C:N/I:P/A:C

TIMESCALE_PROPERTIES

Time

AC:L/C:N/I:P/A:P

UNICAST_NEGOTIATION_ENABLE

Network

AC:L/C:N/I:P/A:P

GRANDMASTER_CLUSTER_TABLE

Network

AC:L/C:N/I:C/A:P

UNICAST_MASTER_TABLE

Network

AC:L/C:N/I:C/A:P

ACCEPTABLE_MASTER_TABLE

BMCS

AC:L/C:N/I:P/A:P

ACCEPTABLE_MASTER_TABLE_ENABLE

BMCS

AC:L/C:N/I:P/A:P

ALTERNATE_MASTER

Network

AC:L/C:N/I:P/A:P