Light Ethereum Subprotocol (LES)

• https://github.com/ethereum/devp2p/blob/master/caps/les.md

geth [ account | console | --authrpc.addr | version | --sepolia | --goerli | --pprof | --http | --syncmode | --mine ] --rpc.evmtimeout | --ethstats | --help, Geth logs, geth logs WARN, Log.Error, ports: 8551, 30303, 8547, ~/.ethereum/geth/, --verbosity, --config, geth init