Webserver inperken listing:

 

[Service]
PrivateDevices=true
ProtectControlGroups=true
ProtectHome=true
ProtectKernelLogs=true
ProtectKernelModules=true
ProtectKernelTunables=true
ProtectSystem=strict
ReadWritePaths=/var/lib/caddy /var/log/caddy
RestrictSUIDSGID=true
CapabilityBoundingSet=CAP_NET_BIND_SERVICE
AmbientCapabilities=CAP_NET_BIND_SERVICE
NoNewPrivileges=true