Linux Disable / Remove All NFS Services

by on August 16, 2009 · 7 comments· LAST UPDATED February 16, 2011

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NFS was not designed with security in mind, and has a number of weaknesses, both in terms of the protocol itself and because any NFS installation must expose several daemons, running on both servers and clients, to network attack. I use my CentOS based server only to server web pages and nothing else. How do I disable NFS services under RHEL / CentOS / Fedora Linux?

You can easily disable NFS, which is a commonly used for sharing data and files between machines. However, its use opens many potential security holes. If NFS is not needed, improve the security by removing and disabling NFS. Open a command-line terminal (select Applications > Accessories > Terminal), and then type:
# chkconfig nfslock off
# chkconfig rpcgssd off
# chkconfig rpcidmapd off
# chkconfig portmap off
# chkconfig nfs off

Delete nfs-utils and portmap packages using the yum command:
# yum remove portmap nfs-utils

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{ 7 comments… read them below or add one }

1 Thamizhannal P August 16, 2009 at 1:53 pm

I am using NFS in cluster infrastructure(RHCE4) . Do you have any other alternative for NFS ?

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2 Big Dog August 17, 2009 at 10:19 am

You can use sshfs…

Edited by moderator: Fixed link

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3 pravinkumar chavan February 16, 2011 at 10:22 am

i am linux debian v 5.0 user having busybox 1.16.1 and want to remove nfs totally .
i am butting from windows hyperterminal/putty.
above commands not working for me.
getting error
#chkconfig nfslock off
/bin/sh: chkconfig: not found

how to remove nfs related setting?

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4 nixCraft February 16, 2011 at 11:55 am

You need to run:

/etc/init.d/portmap stop
/etc/init.d/nfs-kernel-server stop
apt-get --purge remove nfs-kernel-server nfs-common portmap

See this tutorial for more info.

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5 pravinkumar chavan February 17, 2011 at 7:27 am

Thanks Vivek, for replying.
Actually there is no portmap file or directory under init.d
what i have is
# cd /etc/init.d/
#
# ls
alsa-utils hwclockfirst.sh udev
hwclock.sh module-init-tools udev-mtab

the one who designed the system told me that he allready hv disable the nfs settings. But then i m not getting the reason for problem.

also I dont have /etc/fstab file

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6 Dre Sr April 26, 2011 at 8:40 pm

I’m runnin Windows Server 2003 with NFS service going and i need to kill the NFS service complete but security scans show it still being there how to kill it completely?

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7 Amina February 10, 2012 at 8:09 am

my hp 4050n ntwroek printer doesn’t work with large images and certain pdf files in linux.. windows 7 it works flawlessly. I was impressed with Ubuntu’s printing , but it isn’t up to windows spec. It’s also a lot slower with my ntwroek printer.

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