How to disable IPv6 addresses on a Plesk server?
In order to disable IPv6, the following steps should be performed:
Go to Tools & Settings > IP Addresses > 2001:db8:f61:a1ff:0:0:0:80 > the Sites column. If there are sites hosted on IPv6, go to Domains > example.com > Web Hosting Access and set the field IPv6 address to None:
Log in to the server via SSH and add the following lines to
# grep ipv6 /etc/sysctl.conf
Apply the settings from the
/etc/sysctl.confvia the following command:
# sysctl -p
Remove IPv6 addresses from the Plesk
Note: It can be done either manually or by pressing the Reread IPs button in Tools & Settings > IP Addresses
How to enable IPv6 addresses on a Plesk server?