Logon Message

<Logon/>

Tag Field Name AbbrName Req'd Comments
StandardHeader Hdr Yes MsgType = A
98 EncryptMethod EncryptMethod Yes (Always unencrypted)
108 HeartBtInt HeartBtInt Yes Note same value used by both sides
95 RawDataLength RawDataLength Required for some authentication methods
96 RawData RawData Required for some authentication methods
141 ResetSeqNumFlag ResetSeqNumFlag Indicates both sides of a FIX session should reset sequence numbers
789 NextExpectedMsgSeqNum NextExpectedMsgSeqNum Optional, alternative via counterparty bi-lateral agreement message gap detection and recovery approach (see "Logon Message NextExpectedMsgSeqNum Processing" section)
383 MaxMessageSize MaxMsgSz Can be used to specify the maximum number of bytes supported for messages received
MsgTypeGrp MsgTypeGrp
464 TestMessageIndicator TestMsgInd Can be used to specify that this FIX session will be sending and receiving "test" vs. "production" messages.
553 Username Username
554 Password Password Note: minimal security exists without transport-level encryption.
925 NewPassword NewPassword Specifies a new password for the FIX Logon. The new password is used for subsequent logons.
1400 EncryptedPasswordMethod EncPwdMethod
1401 EncryptedPasswordLen EncPwdLen
1402 EncryptedPassword EncPwd
1403 EncryptedNewPasswordLen EncNewPwdLen
1404 EncryptedNewPassword EncNewPwd Encrypted new password- encrypted via the method specified in the field EncryptedPasswordMethod(1400)
1409 SessionStatus SessStat Session status at time of logon. Field is intended to be used when the logon is sent as an acknowledgement from acceptor of the FIX session.
1137 DefaultApplVerID DefApplVerID Yes The default version of FIX messages used in this session.
1407 DefaultApplExtID DfltApplExtID The default extension pack for FIX messages used in this session
1408 DefaultCstmApplVerID DefaultCstmApplVerID The default custom application version (dictionary) for FIX messages used in this session
58 Text Txt Available to provide a response to logon when used as a logon acknowledgement from acceptor back to the logon initiator.
354 EncodedTextLen EncTxtLen Must be set if EncodedText field is specified and must immediately precede it.
355 EncodedText EncTxt Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field.
StandardTrailer Trlr Yes