dbs/db4/xdn_port is a SAP Parameter attribute which is used to control TCP port used by XDNLISTEN and XDNSERVER information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
dbs/db4/xdn_port profile paramerter attributes
Parameter Name: dbs/db4/xdn_port
Description: TCP port used by XDNLISTEN and XDNSERVER
Default Value:
Parameter Type ( See
IF_PARAMETER_TYPES)
: String(STRING)
Restriction Values:
Parameter Unit:
Parameter Group: Database
CSN Component: BC-DB-DB4
System-Wide parameter: Yes
Dynamic Parameter: No
Vector Parameter: No
Has Sub-Parameters: No
Check Function Exists: No
Parameter documentation
For more information, see SAP Note 1257635. This parameter only has
effect, if dbs/db4/driver_type> == XDN. If
dbs/db4/xdn_port is left blank, the XDN port will be calculated as 9600
+ (message server port % 100).
See SAP Parameter Documentation for full SAP documentation for this profile parameter.