Article ID: 6578, created on Aug 5, 2009, last review on May 5, 2014

  • Applies to:
  • H-Sphere

Symptoms

Parallels H-Sphere Control Panel can not pass PCI (payment card industry) scan because off the following Security information found on port/service "unknown (956/tcp)":
"rpcinfo -p"

Resolution


Filter incoming traffic to TCP port 956 if desired.

# netstat -anp|grep 956
tcp        0      0 0.0.0.0:956                 0.0.0.0:* LISTEN      1622/rpc.statd

The service provides NFS file locking functionality. Disable the service if NFS not used. In other case, filter out all not needed requests on port #956.

To disable the service, run:

# service nfs stop
# chkconfig nfs off
# chkconfig --del nfs

# service nfslock stop
# chkconfig nfslock off
# chkconfig --del nfslock

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