[issue16318] FTP_TLS in ftplib not supporting prot_p storlines in FTP7.5

[Jeremy Brock]

New submission from Jeremy Brock:

Recently I have been working on a project to utilize the new FTP_TLS library 
from ftplib in Python 2.7.3.  What I found is that no matter what I try, when 
prot_p() is called prior to transferring files to 2008 Server R2 running 
FTP7.5, the python client connection no longer is able to transfer files to the 
FTP7.5 server resulting in *get* '425 Data channel timed out due to not meeting 
the minimum bandwidth requirement.\r\n' .

I have reproduced this in Python 2.7.3 on HPUX and Windows.

I am able to successfully transfer files using winscp and Filezilla to the 
same FTP7.5 server using FTPes with Prot_P in Active Mode.

--
components: Library (Lib)
files: FTP7.5 Issues Documentation.zip
messages: 173719
nosy: Jeremy.Brock
priority: normal
severity: normal
status: open
title: FTP_TLS in ftplib not supporting prot_p storlines in FTP7.5
type: behavior
versions: Python 2.7
Added file: http://bugs.python.org/file27706/FTP7.5 Issues Documentation.zip

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[issue16318] FTP_TLS in ftplib not supporting prot_p storlines in FTP7.5

[Jeremy Brock]

Jeremy Brock added the comment:

Hello Giampaolo,

It is the same timeout in PASV with Prot_P, please see attached documentation.  
Something I did not mention before is that the file being written shows up on 
the server but I can't view it because it is being used by another process. 
When the timeout occurs the file disappears - see attached images.

~Jeremy

--
Added file: http://bugs.python.org/file27715/FTP7.5 Issues Documentation - 
PASV.zip

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