2.2.1.4 Hook Message

The Hook Message is sent by the client to signal ending the connection. It is echoed back by the server as an acknowledgment. This message has 7 ASCII fields specified in [RFC1345].


0


1


2


3


4


5


6


7


8


9

1
0


1


2


3


4


5


6


7


8


9

2
0


1


2


3


4


5


6


7


8


9

3
0


1

ASCII - +

ASCII - +

ASCII - +

ASCII - A

ASCII - T

ASCII - H

ASCII - CR

ASCII - + (1 byte): The first three fields specify three occurrences of the ASCII encoding for the '+' (plus sign) character, 0x2B. This string of '+' (plus sign) characters is often referred to as an escape sequence.

ASCII - A (1 byte): The ASCII encoding for the 'A' character, 0x41.

ASCII - T (1 byte): The ASCII encoding for the 'T' character, 0x54.

ASCII - H (1 byte): The ASCII encoding for the 'H' character, 0x48.

ASCII - CR (1 byte): The ASCII encoding for the carriage return character, 0x0D.