Giampaolo Rodola' gnewsg at gmail.com
Tue Feb 19 10:54:26 CET 2008

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Hi all,
I'm trying to extend the base ftplib module to add SSL/TLS support as
described in RFC-4217 (see also issue 2054).
RFC-4217 defines a certain command ("CCC") which permit to return to a
plain text socket state without closing the connection.
That is useful since that, being FTP a port-hopping protocol (i.e.
data channels may use a random port chosen during the communication),
firewalls need to read passing packets to allow the secondary data
connections.

I've read through ssl.py but I didn't notice anything useful.
It seems that ssl.SSLSocket class does not provide any method/facility
to switch back to a plain text socket state.

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