База знаний

Disable IPv6 on Debian

This article provides a guide demonstrating how to disable IPv6 on Debian servers.

To disable IPv6 on Debian server, follow the steps below:

Edit the configuration file:

sudo nano /etc/sysctl.d/99-disable-ipv6.conf

Add the following lines:

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

Apply the changes:

sudo sysctl -p /etc/sysctl.d/99-disable-ipv6.conf

Verify:

cat /proc/sys/net/ipv6/conf/all/disable_ipv6

should return:

You now know how to disable IPv6 on Debian servers.

If at any point you find you have an orphaned ipaddress, you can delete it by running the...

Yes, we have a very limited selection of hardware firewalls available. We appreciate the specific...

This article provides step-by-step setup guide for adding Sudo user to CentOS system. The sudo...

This article provides a guide to using a Sudo user on CentOS server. From the command line,...

This article provides a guide to setting the server time and server time zone settings using...