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This tutorial will guide you with the exact commands/steps you need to run on your server in order to disable IPv6 connectivity on your Ubuntu Server, all in under one minute!
Log into your Ubuntu server via console or SSH as root (Use the command sudo -s in terminal)
Open /etc/sysctl.conf using nano editor:
Scroll all the way down, and add the following lines at the end:
When logged in as root, run the below command to apply the changes:
To verify IPv6 is now disabled on your server, run:
The result should return ‘1’ – which indicates that IPv6 is disabled.
Need any help? Running into any problems when trying to disable IPv6 on your server? Feel free to leave your feedback in the comments section below!
Log into your Ubuntu server via console or SSH as root (Use the command sudo -s in terminal)
Open /etc/sysctl.conf using nano editor:
Bash:
nano /etc/sysctl.confScroll all the way down, and add the following lines at the end:
Code:
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1When logged in as root, run the below command to apply the changes:
Bash:
sysctl -pTo verify IPv6 is now disabled on your server, run:
Bash:
cat /proc/sys/net/ipv6/conf/all/disable_ipv6The result should return ‘1’ – which indicates that IPv6 is disabled.
Need any help? Running into any problems when trying to disable IPv6 on your server? Feel free to leave your feedback in the comments section below!