Difference between revisions of "Disable ipv6"
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From: https://itsfoss.com/disable-ipv6-ubuntu-linux/ | From: https://itsfoss.com/disable-ipv6-ubuntu-linux/ | ||
| − | |||
You have see the sysctl command in the tutorial about restarting network in Ubuntu. We are going to use it here as well. To disable IPv6 you only have to input 3 commands: | You have see the sysctl command in the tutorial about restarting network in Ubuntu. We are going to use it here as well. To disable IPv6 you only have to input 3 commands: | ||
| + | |||
| + | <pre> | ||
sudo sysctl -w net.ipv6.conf.all.disable_ipv6=1 | sudo sysctl -w net.ipv6.conf.all.disable_ipv6=1 | ||
sudo sysctl -w net.ipv6.conf.default.disable_ipv6=1 | sudo sysctl -w net.ipv6.conf.default.disable_ipv6=1 | ||
sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=1 | sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=1 | ||
| + | </pre> | ||
| + | |||
You can check if it worked using: | You can check if it worked using: | ||
| − | ip a | + | ip a |
| − | You should see no IPv6 entry: | + | |
| + | You should see no IPv6 entry. | ||
| + | |||
| + | One method to make this option persist is modifying /etc/sysctl.conf | ||
| + | |||
| + | <pre> | ||
| + | net.ipv6.conf.all.disable_ipv6=1 | ||
| + | net.ipv6.conf.default.disable_ipv6=1 | ||
| + | net.ipv6.conf.lo.disable_ipv6=1 | ||
| + | </pre> | ||
| + | |||
| + | For the settings to take effect use: | ||
| + | |||
| + | sudo sysctl -p | ||
| + | |||
| + | == Trash == | ||
| + | If IPv6 is still enabled after rebooting, you must create (with root privileges) the file /etc/rc.local and fill it with: | ||
| + | |||
| + | <pre> | ||
| + | #!/bin/bash | ||
| + | # /etc/rc.local | ||
| + | |||
| + | /etc/sysctl.d | ||
| + | /etc/init.d/procps restart | ||
| + | |||
| + | exit 0 | ||
</pre> | </pre> | ||
| + | sudo chmod 755 /etc/rc.local | ||
Latest revision as of 19:29, 12 June 2024
From: https://itsfoss.com/disable-ipv6-ubuntu-linux/
You have see the sysctl command in the tutorial about restarting network in Ubuntu. We are going to use it here as well. To disable IPv6 you only have to input 3 commands:
sudo sysctl -w net.ipv6.conf.all.disable_ipv6=1 sudo sysctl -w net.ipv6.conf.default.disable_ipv6=1 sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=1
You can check if it worked using:
ip a
You should see no IPv6 entry.
One method to make this option persist is modifying /etc/sysctl.conf
net.ipv6.conf.all.disable_ipv6=1 net.ipv6.conf.default.disable_ipv6=1 net.ipv6.conf.lo.disable_ipv6=1
For the settings to take effect use:
sudo sysctl -p
Trash
If IPv6 is still enabled after rebooting, you must create (with root privileges) the file /etc/rc.local and fill it with:
#!/bin/bash # /etc/rc.local /etc/sysctl.d /etc/init.d/procps restart exit 0
sudo chmod 755 /etc/rc.local
