Trivial File Transfer Protocol (TFTP) is a simple file transfer protocol, typically used to automatically transfer configuration or boot files between machines. TFTP does not support authentication and can be easily hacked. The package 'tftp' is a client program that allows for connections to a 'tftp' server.

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It is recommended that TFTP be remvoed, unless there is a specific need for TFTP (such as a boot server). In that case, use extreme caution when configuring the services.