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Posted to issues@commons.apache.org by "Sebb (JIRA)" <ji...@apache.org> on 2018/02/08 12:40:00 UTC
[jira] [Commented] (NET-642) using execPROT on FTPSClients with
Proxy Settings removes Proxy Settings
[ https://issues.apache.org/jira/browse/NET-642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16356894#comment-16356894 ]
Sebb commented on NET-642:
--------------------------
execPROT("P") calls setSocketFactory which clears the proxy variable.
I don't know enough about this to determine whether execProt should always call setSocketFactory and/or whether setSocketFactory should clear the proxy.
But an obvious work-round is to use:
{code}
Proxy p =client.getProxy(); // save ...
client.execPROT("P");
client.setProxy(p); // ... restore the proxy
{code}
Does that fix the issue?
> 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
>
> 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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