Unable to open 3966 port in solaris

UNIX Solaris
1

Unable to open 3966 port for buildforge in Solaris 10, anyone pls help me how to open the 3966 port in solaris.

Thanks in Advance

2

Is the port in the /etc/services file?
something like for telnet, for eg.
#grep telnet /etc/services
telnet 23/tcp