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https://issues.apache.org/jira/browse/NET-649?focusedWorklogId=236290&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-236290
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ASF GitHub Bot logged work on NET-649:
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Author: ASF GitHub Bot
Created on: 02/May/19 13:54
Start Date: 02/May/19 13:54
Worklog Time Spent: 10m
Work Description: fbrissi commented on pull request #28: [NET-649] 227
Entering Passive Mode
URL: https://github.com/apache/commons-net/pull/28
In a situation where I passed, the FTP server is restoring 227 Entering
Passive Mode (0,0,0,0,156,126), so it was obvious to me that the problem is on
the server side and not on the API, but using the File Zila client and analyze
the log precebi that the same problem was also happening, so he changed the
route to use the IP of the server that returned this information and thus
manages to make the route correctly.
So I made a similar implementation so that when the server returns IP
0,0,0,0 use the same IP used to connect to the server. I'm not sure if it's
necessary to validate anything beyond "0,0,0,0" because it's the first time I
see a situation like this, I'm not sure if the server could return another
invalid IP.
I did not create a test for this case because I do not know how to force it
to happen, since it only occurred on a private server that I am using. This is
a workaround I've solved, and I'm helping to get you into future versions.
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Issue Time Tracking
-------------------
Worklog Id: (was: 236290)
Time Spent: 20m (was: 10m)
> 227 Entering Passive Mode
> -------------------------
>
> Key: NET-649
> URL: https://issues.apache.org/jira/browse/NET-649
> Project: Commons Net
> Issue Type: New Feature
> Components: FTP
> Affects Versions: 3.6
> Environment: Fedora, Java 8
> Reporter: Filipe Bojikian Rissi
> Priority: Major
> Fix For: 3.7
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> In a situation where I passed, the FTP server is restoring 227 Entering
> Passive Mode (0,0,0,0,156,126), so it was obvious to me that the problem is
> on the server side and not on the API, but using the File Zila client and
> analyze the log precebi that the same problem was also happening, so he
> changed the route to use the IP of the server that returned this information
> and thus manages to make the route correctly.
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