ftplib: FTP_TLS seems to have problems with sites that close the encrypted channel themselfes

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
28/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
python
Domain
networking

Research direction

Start with Lib/ftplib.py, the patched file attached to the issue, and review the FTP_TLS behavior for servers that close the encrypted channel themselves. Reproduce the reported problem against an affected site or equivalent test setup, then verify that FTP_TLS handles the channel closure correctly without regressing normal connections.

Written by the indexing model from the issue text.

Description

stdlib type-bug
BPO 33122
Nosy @giampaolo
Files
  • ftplib.py: patched ftplib
    		•

    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
closed_at = None
created_at = <Date 2018-03-22.14:29:38.491>
labels = ['type-bug', 'library']
title = 'ftplib: FTP_TLS seems to have problems with sites that close the encrypted channel themselfes'
updated_at = <Date 2018-03-26.09:42:57.908>
user = 'https://bugs.python.org/jottbe'

    bugs.python.org fields:

    activity = <Date 2018-03-26.09:42:57.908>
actor = 'jottbe'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2018-03-22.14:29:38.491>
creator = 'jottbe'
dependencies = []
files = ['47500']
hgrepos = []
issue_num = 33122
keywords = []
message_count = 3.0
messages = ['314261', '314327', '314444']
nosy_count = 2.0
nosy_names = ['giampaolo.rodola', 'jottbe']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue33122'
versions = ['Python 3.6']

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