- add admin commands to ban and unban ips and peers - add greylist_timeout option to configuration file (node) - Add greylist modules + RPC
Notes: 1. P2p_socket.Rejected -> P2p_errors.Rejected_socket_connection to avoid conflict with P2p_pool.Rejected 2. Connection_closed error in P2p_pool unused and redundant with one in P2p_io_scheduler