All common commands are on and enabled: 

[
  "account_channels",
  "account_currencies",
  "account_info",
  "account_lines",
  "account_objects",
  "account_offers",
  "account_tx",
  "gateway_balances",
  "noripple_check",
  "ledger",
  "ledger_closed",
  "ledger_current",
  "ledger_data",
  "ledger_entry",
  "submit",
  "submit_multisigned",
  "transaction_entry",
  "tx",
  "tx_history",
  "book_offers",
  "deposit_authorized",
  "path_find",
  "ripple_path_find",
  "channel_authorize",
  "channel_verify",
  "fee",
  "server_info",
  "server_state",
  "json",
  "ping",
  "random"
]