debian what's "-" process to listening on port 48296 to all ip? [duplicate]

Question

Possible Duplicate:
netstat shows a listening port with no pid but lsof does not

when i execute netstat -lntp in my server debian squeeze, i see one strange process... named - without pid, and in listeing to port 48296, what this is?

Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:48296           0.0.0.0:*               LISTEN      -               
tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      9350/mysqld     
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      13377/apache2   
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      2315/sshd

how i can investigate better?

Answer 1

First, make sure that you're running netstat as root. Second, try using lsof -i :48296 too see what does it say.