Message Logon (A)

The logon message authenticates a user establishing a connection to a remote system. The logon message must be the first message sent by the application requesting to initiate a FIX session.

Added in protocol FIX.2.7

See in: FIX.4.1, FIX.4.2, FIX.4.3, FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2, FIX.5.0SP2 EP240, FIXT.1.1.

Field or Component Name Description Is Required Added Is Deprecated
Block StandardHeader MsgType = A Y FIX.2.7
98 EncryptMethod (Always unencrypted) Y FIX.2.7
108 HeartBtInt Y FIX.3.0
95 RawDataLength Required for some authentication methods FIX.2.7
96 RawData Required for some authentication methods FIX.2.7
Block StandardTrailer Y FIX.2.7