Reference Guide

Table 3. Appliance network ports related to file (continued)
Port Service Protocol Access Direction Description
4000 STATD for NFSv3 TCP/UDP Bi-directional Used to provide NFS statd services. statd
is the NFS file-locking status monitor and
works in conjunction with lockd to provide
crash and recovery functions for NFS. If
closed, NAS statd services will be
unavailable.
4001 NLMD for NFSv3 TCP/UDP Bi-directional Used to provide NFS lockd services. lockd
is the NFS file-locking daemon. It
processes lock requests from NFS clients
and works in conjunction with the statd
daemon. If closed, NAS lockd services will
be unavailable.
4002 RQUOTAD for
NFSv3
TCP/UDP; UDP Inbound; Outbound Used to provide NFS rquotad services.
The rquotad daemon provides quota
information to NFS clients that have
mounted a file system. If closed, NAS
rquotad services will be unavailable.
4003 XATTRPD
(extended file
attribute)
TCP/UDP Inbound Required for managing file attributes in a
multi-protocol environment.
4658 PAX (NAS server
archive)
TCP Inbound PAX is an appliance archive protocol that
works with standard UNIX tape formats.
8888 RCPD (replication
data path)
TCP Inbound Used by the replicator (on the secondary
side). It is left open by the replicator as
soon as some data has to be replicated.
After it is started, there is no way to stop
the service.
10000 NDMP TCP Inbound
● Enables you to control the backup and
recovery of a Network Data
Management Protocol (NDMP) server
through a network backup application,
without installing third party software
on the server. In an appliance, the
NAS Server functions as the NDMP
server.
● The NDMP service can be disabled if
NDMP tape backup is not used.
● The NDMP service is authenticated
with a username/password pair. The
username is configurable. The NDMP
documentation describes how to
configure the password for a variety
of environments.
[10500,10531] NDMP reserved
range for NDMP
dynamic ports
TCP Inbound For three-way backup/restore sessions,
NAS Servers use ports 10500 to 10531.
12228 Antivirus checker
service
TCP Outbound Required for the Antivirus checker
service.
Network ports related to PowerStore X model appliances
The following table outlines the collection of network ports and the corresponding services that may be found on PowerStore X
model appliances.
30
Communication security settings