[Unit] Description=B2BCall custom nftables rules (protects Asterisk admin ports) After=docker.service network-online.target Wants=network-online.target PartOf=docker.service [Service] Type=oneshot RemainAfterExit=yes ExecStartPre=-/usr/sbin/nft delete table inet b2bcall_fw ExecStart=/usr/sbin/nft -f /opt/b2bcall/infrastructure/nftables/b2bcall.nft ExecStop=/usr/sbin/nft delete table inet b2bcall_fw [Install] WantedBy=multi-user.target