[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={{ user }}
Group={{ group }}
WorkingDirectory={{ install_dir }}
EnvironmentFile=-{{ install_dir }}/.env.local
Environment=DECNET_SYSTEM_LOGS=/var/log/decnet/decnet.sniffer.log
ExecStart={{ venv_dir }}/bin/decnet sniffer
StandardOutput=append:/var/log/decnet/decnet.sniffer.log
StandardError=append:/var/log/decnet/decnet.sniffer.log

# 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={{ install_dir }} /var/log/decnet

Restart=on-failure
RestartSec=5
TimeoutStopSec=15

[Install]
WantedBy=multi-user.target