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Disable IPv6 in Red Hat Enterprise Linux 5

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debuser
  Post  Post subject: Disable IPv6 in Red Hat Enterprise Linux 5  |  Posted: Sat Jan 09, 2010 12:02 pm

Joined: Thu Aug 06, 2009 2:48 am
Posts: 105

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Disable IPv6 in Red Hat Enterprise Linux 5

By default, RHEL kernel comes with IPv6 enabled. Since many of us don't need it, it's pointless to recompile the kernel just to disable IPv6.

To disable IPv6 on RHEL 5 add the following lines in /etc/modprobe.conf:
Code:
alias net-pf-10 off
alias ipv6 off


This will require a reboot.





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debuser
Post  Post subject: Re: Disable IPv6 in Red Hat Enterprise Linux 5  |  Posted: Sat Jan 09, 2010 12:04 pm

Joined: Thu Aug 06, 2009 2:48 am
Posts: 105

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More info on the Linux ipv6 module:
Code:
[root@rhel54 ~]# modinfo ipv6
filename:       /lib/modules/2.6.18-164.el5/kernel/net/ipv6/ipv6.ko
alias:          net-pf-10
license:        GPL
description:    IPv6 protocol stack for Linux
author:         Cast of dozens
srcversion:     5D50A95B111AE2FDBAE69B3
depends:        xfrm_nalgo
vermagic:       2.6.18-164.el5 SMP mod_unload 686 REGPARM 4KSTACKS gcc-4.1
parm:           disable:Disable IPv6 such that it is non-functional (int)
module_sig:     883f3504a8b7b7d18758d6145e112557509e204e4356832069beabcc042d7c7e614115c428a09d1dd7afb138727ae29f407762469f552ecec8b6f
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Haryer
Post  Post subject: Profile  |  Posted: Thu Feb 24, 2011 3:47 pm

Joined: Thu Feb 03, 2011 9:50 pm
Posts: 1

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This topic is going to be interesting. Just subscribing by this post.

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