Install Alfis DNS on Linux

• git clone https://github.com/Revertron/Alfis.git && cd Alfis
• cargo build --release
• sudo cp target/release/alfis /usr/bin/alfis
• sudo chmod 0700 /usr/bin/alfis
• sudo useradd alfis
• sudo chown alfis:alfis /usr/bin/alfis
• sudo mkdir /var/lib/alfis
• sudo chown alfis:alfis /var/lib/alfis

Config

• sudo cp alfis.conf /etc/alfis.conf

listen = "127.0.0.1:53"

Service

• sudo nano /etc/systemd/system/alfis.service

[Unit]
After=network-online.target
Wants=network-online.target

[Service]
User=alfis
Group=alfis

ProtectHome=true
ProtectSystem=true

SecureBits=keep-caps
CapabilityBoundingSet=CAP_NET_BIND_SERVICE
AmbientCapabilities=CAP_NET_BIND_SERVICE

SyslogIdentifier=alfis
WorkingDirectory=/var/lib/alfis
ExecStart=/usr/bin/alfis -n -c /etc/alfis.conf
ExecReload=/bin/kill -HUP $MAINPID
Restart=always
TimeoutStopSec=5

[Install]
WantedBy=multi-user.target

• sudo systemctl daemon-reload
• sudo systemctl enable alfis
• sudo systemctl start alfis

GNOME Network Manager

• Select active connection
• In IPv4 tab change DNS to 127.0.0.1
• In IPv6 tab change DNS to ::1
• Disable automatic mode (on enabled)
• Save changes