September 29, 2026

Disable Ubuntu's 127.0.0.1:53 stub resolver



To remove the local DNS resolver on port 53 in Ubuntu, follow these steps:


1- Open the terminal and run the following command to edit the resolved.conf file:

sudo nano /etc/systemd/resolved.conf

2- Modify the DNSStubListener Setting

Find the line that says #DNSStubListener=yes and change it to:
DNSStubListener=no

3- Restart the systemd-resolved Service

After saving the changes, restart the service to apply them:

sudo systemctl restart systemd-resolved


 

All done.
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