Password scrambling
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Protocol Notes
In the following, `\n' refers to a linefeed and `\t' refers to
a horizontal tab; requests are what the client sends and
responses are what the server sends. In general, the connection is
governed by the client---the server does not send responses without
first receiving requests to do so; see Response intro for more
details of this convention.
It is typical, early in the connection, for the client to transmit a
Valid-responses request, containing all the responses it
supports, followed by a valid-requests request, which elicits
from the server a Valid-requests response containing all the
requests it understands. In this way, the client and server each find
out what the other supports before exchanging large amounts of data
(such as file contents).
Password scrambling
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Protocol Notes