There seems to be a process called "cslistener" on my machine that is listening on port 9000. A scan using nmap resulted in this, where 172.29.137.150 is the address of my PC.

Nmap scan report for 172.29.137.150

Host is up (0.000013s latency).

Not shown: 993 closed ports

PORT      STATE SERVICE

22/tcp    open  ssh

80/tcp    open  http

139/tcp   open  netbios-ssn

443/tcp   open  https

445/tcp   open  microsoft-ds

9000/tcp  open  cslistener

10000/tcp open  snet-sensor-mgmt

What's going on here? I'm on ubuntu 12.04.