[Unit]
Description=DECNET Sniffer (fleet-wide MACVLAN TLS fingerprinting)
Documentation=https://git.resacachile.cl/anti/DECNET/wiki/Workers#sniffer
After=network-online.target decnet-bus.service
Wants=network-online.target decnet-bus.service

[Service]
Type=simple
User=decnet
Group=decnet
WorkingDirectory=/opt/decnet
EnvironmentFile=-/opt/decnet/.env.local
ExecStart=/opt/decnet/venv/bin/decnet sniffer

# scapy needs raw packet access on the MACVLAN host interface.
CapabilityBoundingSet=CAP_NET_RAW
AmbientCapabilities=CAP_NET_RAW

# Security Hardening
NoNewPrivileges=yes
ProtectSystem=full
ProtectHome=read-only
PrivateTmp=yes
ProtectKernelTunables=yes
ProtectKernelModules=yes
ProtectControlGroups=yes
RestrictSUIDSGID=yes
LockPersonality=yes
ReadWritePaths=/opt/decnet /var/log/decnet

Restart=on-failure
RestartSec=5
TimeoutStopSec=15

[Install]
WantedBy=multi-user.target