[jira] [Commented] (NET-642) using execPROT on FTPSClients with Proxy Settings removes Proxy Settings

["Danish Kamaal (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NET-642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16938804#comment-16938804 ] 

Danish Kamaal commented on NET-642:
-----------------------------------

I am writing a fix for this. This issue has been open for too long and I think there should be a fix.

> using execPROT on FTPSClients with Proxy Settings removes Proxy Settings
> ------------------------------------------------------------------------
>
>                 Key: NET-642
>                 URL: https://issues.apache.org/jira/browse/NET-642
>             Project: Commons Net
>          Issue Type: Bug
>          Components: FTP
>    Affects Versions: 3.6
>         Environment: Java 1.8.0_112
> Linux 64bit
>            Reporter: Johannes Frank
>            Priority: Critical
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> In Reference to https://issues.apache.org/jira/browse/NET-578
> I'm trying to establish an FTPS Connection via a HTTP Proxy. The Control Connection is properly established, however the Moment I do execPROT the Proxy settings are resetted by call to setSocketFactory(new FTPSSocketFactory(context)); in FTPSClient.java:534.
> This causes FTPSClients with a call to execPROT to actually ignore the proxy settings and attempt to contact the FTPS Server directly for data connections.
> Since we are required to use PROT P this is currently blocking our feature for FTPS Connections via HTTP proxy.



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