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https://issues.apache.org/jira/browse/SSHD-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17291068#comment-17291068
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Lyor Goldstein commented on SSHD-1131:
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{quote}I don't think reconfiguring the server because of a broken client is a 
good idea.
{quote}
I second that
{quote}I also don't think reading filenames received should be made more 
lenient (like, try UTF-8 strictly, if it fails, fall back to ISO-8859-1)
{quote}
Agree 100%
{quote}That looks like a problem with that Tectia SFTP client....So, file a bug 
at ssh.com against the Tectia SFTP client.
{quote}
Seems like the best way. However, if you want to take the hard way, you can 
provide your own {{MySftpSubsystem extends SftpSubsystem}} class and override 
the relevant methods that deal with names and encode them however you like (not 
an easy task...). Personally, I am very much opposed to "skewing" the compliant 
code to accommodate "rogue" clients.

> Filenames containing Norwegian Characters not allowed over SFTP in Tectia 
> client
> --------------------------------------------------------------------------------
>
>                 Key: SSHD-1131
>                 URL: https://issues.apache.org/jira/browse/SSHD-1131
>             Project: MINA SSHD
>          Issue Type: New Feature
>            Reporter: Susmit Sarkar
>            Priority: Major
>              Labels: mina, sshd
>         Attachments: image-2021-02-24-15-38-39-337.png
>
>
> Hi,
> Filenames containing Norwegian, Spanish, French, and German Characters not 
> allowed over SFTP in Tectia client, names are getting messed up
> How can I override the decoding charset in *SshServer* :
> DecodingCharset is present for SftpClient:
> client.setNameDecodingCharset(Charset.forName("ISO-8859-8"));
> by default it uses UTF-8
> The SftpClient exposes a get/setNameDecodingCharset method which enables the 
> user to modify the charset - even while the SFTP session is in progress 
> After the file is uploaded the Norwegian characters in the filename are 
> replaced with non-readable characters.
> Can we configure the SshServer to override the decoding charset from the 
> default UTF-8? Is there any API to set the SFTP CharsetEncoding (Set the 
> default encoding for filenames in SFTP sessions)
> !image-2021-02-24-15-38-39-337.png!



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