Modifying FIX Sessions

Once a FIX session has been created, the session properties can be modified:

  • Sequence Numbers
  • FIX Session Settings

Session Sequence Numbers

Reset / Update FIX session sequence numbers.

New Session screennshot.

Modifying FIX Settings

After a FIX session is defined, you can modify some of the settings.

New Session screennshot.
Setting Details Notes
Session Name Name for this FIX Session Note: readonly
FIXVersion Selected FIX Version (4.0 - 5.0Sp2) Select FIX Version to use (see below for custom FIX versions)
CustomDataDictionary Name of custom XML Datadictionary to use for this session. A custom FIX XML Datadictionary (QuickFIX) can be uploaded to define the FIX messages/tags.
AppDataDictionary Define version of Application Dictionary For FIX 5.0 and higher (FIXT.1)
IPAddress IP4 address. For FIXSIM as Acceptor, this will be a readonly value. When FIXSIM is an Initiator, you may enter the target IP address.
Port Port used for this session. For FIXSIM as Acceptor, this will be a readonly value. When FIXSIM is an Initiator, you may enter the target port.
RequireClientCertificate Require incoming connections to provide a TLS client certificate. This setting only applies to FIXSIM Acceptors with TLS encryption enabled.
ValidateCertificates Valideate certifcates are signed by certificate authority. This setting only applies to FIXSIM Acceptors with TLS encryption enabled.
SenderCompID FIXSIM's SenderCompID (49) for this session. NOTE: This will be the SenderCompID (49) sent by FIXSIM.
SenderSubID FIXSIM's SenderSubID (50) for this session. NOTE: Optional, however if set the other side must populate TargetSubID with this value.
TargetCompID FIXSIM's TargetCompID (56). NOTE: Required value for the TargetCompID sent by FIXSIM
TargetSubID FIXSIM's TargetSubID (57). NOTE: Optional, however if set the other side must populate SenderSubID with this value.
Timezone Timezone of Session start and end times.
Start Time Session start time (in specified timezone).
End Time Session end time (in specified timezone).
Set week long session Make this session span multiple days without resetting.
FIXUser FIX tag User (553) NOTE: Optional in version > FIX 4.4
FIXPwd FIX tag Pwd (554) NOTE: Optional in version > FIX 4.4

FIX Protocol Client Testing

99.9% Uptime Web Based Fully Responsive Monthly Subscriptions