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Last updated on Nov 29,2021 |

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by ips1

1. Check the ipv6 on your server

2. Go to the file /etc/sysctl.conf

vim /etc/sysctl.conf

3. Add these lines to the file, then save and exit the file (:wq)

net.ipv6.conf.all.disable_ipv6 = 1

net.ipv6.conf.default.disable_ipv6 = 1

4. Run this command to load the file settings

sysctl -p

5. Go to /etc/ssh/sshd_config

vi /etc/ssh/sshd_config

6. Add this line to the file, then save and exit the file (:wq)

AddressFamily inet

7. Restart sshd for changes to get effect

systemctl restart sshd

8. ipv6 has been disable