SESSION LEVEL REJECT (35=3)
The reject message should be issued when a message is received but
cannot be properly processed due to a session-level rule violation.
Tag
Field Name
Required
Comment
Standard Header
Y
MsgType = 3
...
LOGOUT(35=5)
The logout message initiates or confirms the termination of a FIX
session.
Tag
Field Name
Required
Comment
Standard Header
MsgType = 5
112
Text
N
Standard Trailer
----------...
HEARBEAT (35=0)
The heartbeat monitors the status of the communication link and
identifies when the last of a string of messages was not received.
Tag
Field Name
Required
Comment
Standard Header
112
TestReqID
N
...
LOGON (35=A)
Then logon message authenticates a user establishing a connection to a
remote system.
Tag
Field Name
Required
Comment
Standard Header
Y
MsgType = A
553
UserName
Y
554
Password
Y
...
