Disable Linux IPv6 Networking

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What Is IPv6?

Internet Protocol version 6 (IPv6) is the latest version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet. IPv6 was developed by the Internet Engineering Task Force (IETF) to deal with the long-anticipated problem of IPv4 address exhaustion.

How To Check If IPv6 is Enable Or Disable

There are two ways to check if IPv6 is disabled shown as below:

1.Run the “ifconfig” command to check

You can check the above line if containing “inet6 addr”, If yes, you machine is running IPv6 service.

2.check “disable_ipv6″ file to check if IPv6 is disabled,enter:

if you get “0″ value, it means that IPv6 is enabled and “1″ means it is disabled.

How to Disable IPv6 in linux system?

You need to add the following lines at the end of “/etc/sysctl.conf” file:

Edit file /etc/sysctl.conf, enter the following command:

Adding the below lines into that file:

Save and close that file, then restart sysctl with the following command:

Now you can rerun the “ifconfig” command to check if IPv6 lines have been removed.

Done!

See Also: IPv6 or IPv4  

Disable Linux IPv6 Networking,布布扣,bubuko.com

Disable Linux IPv6 Networking

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原文地址：http://my.oschina.net/u/1756504/blog/298024