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Security
Tarantool allows for two types of connections:
With :ref:`console.listen() <console-listen>` function from ``console`` module, you can set up a port which can be used to open an administrative console to the server. This is for administrators to connect to a running instance and make requests. ``tt`` invokes ``console.listen()`` to create a control socket for each started instance.
With :ref:`box.cfg{listen=...} <cfg_basic-listen>` parameter from ``box`` module, you can set up a binary port for connections which read and write to the database or invoke stored procedures.
When you connect to an admin console:
The client-server protocol is plain text.
No password is necessary.
The user is automatically 'admin'.
Each command is fed directly to the built-in Lua interpreter.
Therefore you must set up ports for the admin console very cautiously. If it is a TCP port, it should only be opened for a specific IP. Ideally, it should not be a TCP port at all, it should be a Unix domain socket, so that access to the server machine is required. Thus a typical port setup for admin console is:
console.listen('/var/lib/tarantool/socket_name.sock')
and a typical connection :ref:`URI <index-uri>` is:
/var/lib/tarantool/socket_name.sock
if the listener has the privilege to write on ``/var/lib/tarantool`` and the connector has the privilege to read on ``/var/lib/tarantool``. Alternatively, to connect to an admin console of an instance started with ``tt``, use :ref:`tt connect <tt-connect>`.
To find out whether a TCP port is a port for admin console, use ``telnet``. For example:
$ telnet 0 3303
Trying 0.0.0.0...
Connected to 0.
Escape character is '^]'.
Tarantool 2.1.0 (Lua console)
type 'help' for interactive help
In this example, the response does not include the word "binary" and does include the words "Lua console". Therefore it is clear that this is a successful connection to a port for admin console, and you can now enter admin requests on this terminal.
When you connect to a binary port:
The client-server protocol is :ref:`binary <box_protocol-iproto_protocol>`.

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testing_project / Documentation: book/admin/security — English

With :ref:`box.cfg{listen=...} <cfg_basic-listen>` parameter from ``box`` module, you can set up a binary port for connections which read and write to the database or invoke stored procedures.
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