Besu Isolated Networks
If you would like to customise the type of network you want you can look at Besu Scripts
Key Configs
permissions-nodes-config-file-enabled=false
discovery-enabled=false
# with only validators
static-nodes-file="/config/static-nodes.json"
nat-method="NONE"
p2p-host="0.0.0.0"
Xdns-enabled=true
Xdns-update-enabled=true