그동안 DoH를 cloudflared proxy-dns를 이용해 구현했다. 그런데 내년 2월부터 지원이 안될 것이라고 한다. 우선 설치되어있는 서비스를 삭제한다.

cloudflared proxy-dns command will be removed starting February 2, 2026
To address a vulnerability in an underlying library, the `cloudflared proxy-dns` command will be removed from new `cloudflared` releases. Users are advised to migrate to the Cloudflare WARP client or WARP Connector.
sudo systemctl stop cloudflared-proxy-dns.service
sudo systemctl disable cloudflared-proxy-dns.service
sudo rm /etc/systemd/system/cloudflared-proxy-dns.service
sudo systemctl daemon-reload
sudo apt purge cloudflared sudo rm -rf /etc/cloudflared