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HacDan/Install OpenSSH.md

Last active November 9, 2023 00:12
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Install OpenSSH.md

How to install SSH and Load Public Keys

Install OpenSSH Server

  1. Open Admin PowerShell
  2. Run the following command
Add-WindowsCapability -Online -Name OpenSSH.Server~~~~0.0.1.0
  1. Enable the services
Set-Service -Name ssh-agent -StartupType `Automatic`
Set-Service -Name sshd -StartupType `Automatic`
  1. Start both services
Start-Service ssh-agent
Start-Service sshd

Load Public Keys

  1. Public keys go here C:\ProgramData\ssh\administrators_authorized_keys
  2. Remove AuthenticatedUsers permission from aforementioned file C:\ProgramData\ssh\administrators_authorized_keys

Edit OpenSSH Config to allow Pubkey Authentication

  1. Open C:\ProgramData\ssh\sshd_config
  2. Change the line that says #PubkeyAuthentication to remove the Pound Sign (Hash Tag for you youngins)
  3. Change the line that says #PasswordAuthentication yes to PasswordAuthentication no (And remove the Pound Sign)
  4. Save the file

Change Default Shell

New-ItemProperty -Path "HKLM:\SOFTWARE\OpenSSH" -Name DefaultShell -Value "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -PropertyType String -Force

IF YOU CANNOT REBOOT - Restart Services

Restart both services to avoid a reboot of the computer

Restart-Service ssh-agent
Restart-Service sshd

Source

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