PowerShell / PowerShell/Win32-OpenSSH

windows 10 SSH not accepting password from fedora command line but goes through in pwsh prompt

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Description

Prerequisites
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  • Make sure you are able to repro it on the latest version
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Steps to reproduce

I’ve just starting with win32-openSSH on a win 10 machine,added in sshd_config_default at
C:\Windows\System32\OpenSSH the following

PasswordAuthentication yes
KerberosAuthentication yes
PubkeyAuthentication yes

restarted the service.
Trying to connect to my win 10 from a fedora box on command line, I get connected,

The authenticity of host 'salam7 (192.168.1.4)' can't be established.
ED25519 key fingerprint is SHA256:7rDLx/C2FOBflw1JfESBEgVo6N5lbCUKN0LGetSljNI.
This key is not known by any other names.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes

I accept then I get prompted to enter password. I do enter my password but it is not recognized as follows:

salam7salam@salam7's password:
Permission denied, please try again.
salam7salam@salam7's password:

salam@fedora:~$ ssh SALAM\salam@salam7
SALAMsalam@salam7's password:
Permission denied, please try again.
SALAMsalam@salam7's password:

salam@fedora:~$ ssh salam\salam@salam7
salamsalam@salam7's password:
Permission denied, please try again.
salamsalam@salam7's password:

However, when I try the same from a pwsh prompt it goes through

Expected behavior
Connect through ssh from a linux machine to win 10 machine
Actual behavior
nor recognizing password
Error details

Environment data
PSVersion                      7.5.0
PSEdition                      Core
GitCommitId                    7.5.0
OS                             Fedora Linux 41 (Forty One)
Platform                       Unix
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0
Version

latest

Visuals

No response

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the Fedora command-line connections and the equivalent pwsh connection described in the issue. Review the sshd_config_default settings under C:\Windows\System32\OpenSSH and compare the username and password-authentication behavior; done means a Linux SSH client can authenticate to the Windows 10 host using the documented account format.

Written by the indexing model from the issue text.

Assessment

Tech stack
fedora, linux, powershell
Domain
authentication, networking, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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