netstat -an |find /i “listening”
netstat -an |find /i “established”
netstat -ao |find /i “listening”
1. netstat -aon | findstr “”
This shows if the specified is being used. The number in the last column is the process id (PID) of the process holding the socket. Once PID is determined, one can refer to “Windows Task Manager” to determine which application corresponds to the PID.
Windows Example
C:>netstat -aon | findstr “4557”
TCP 0.0.0.0:50000 0.0.0.0:0 LISTENING 5678
C:>pslist 5678
pslist v1.28 – Sysinternals PsList
Copyright ¬ 2000-2004 Mark Russinovich
Sysinternals
Process information for MACHINENAME:
Name Pid Pri Thd Hnd Priv CPU Time Elapsed Time
oracle 5678 8 15 366 34512 0:00:02.859 12:02:09.424