TCPIPSERVICE definition in group DFH$SOT

The CICS®-supplied CSD group DFH$SOT contains the following TCPIPSERVICE definition:
ECI
The definition is:
TCPIPSERVICE(ECI)  GROUP(DFH$SOT)
DESCRIPTION(ECI TCPIPSERVICE)
PROTOCOL(ECI)      ATTACHSEC(VERIFY)
BACKLOG(5)         PORTNUMBER(1435)
TRANSACTION(CIEP)  SSL(NO)
STATUS(OPEN)