/ list packages
# get amount of blocks of package
< download specified block of specified package using <package>:<block>
* request hash of specified block of specified package using <package>:<block>
standard port: 4040 (temporarily 8080 to test)

rcon:
!$ request maintenance mode (client -> server)

<text> display text to user (server -> client)
!?< get user input (server -> client)

?!# request access to any file (server -> client)
?# <block> request file block (server -> client)
?* <block> request hash of file block (server -> client)
~# request file block size (server -> client)

!- close connection and stop maintenance mode (client -> server)
-! connection terminated (server -> client)