darkoperator / darkoperator/Posh-SSH

Posh-SSH cannot connect to AudioCodes Mediant 2600

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#522 4 comments 0 reactions 0 assignees View on GitHub

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PowerShell
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Description

I'm trying to connect to an AudioCodes Mediant 2600 device, but Posh-SSH just times out.

If I connect to the device in PuTTY, there are packets exchanged about the client and server protocols, then the Key Exchange Init happens, and it connects OK.

When I try to connect with Posh-SSH, the client and server protocols are exchanged, but no Key Exchange Init happens. It appears that Posh-SSH does not start the Key Exchange process.

PuTTY to AudioCodes - Working OK

PuTTY to AudioCodes OK

Posh-SSH to AudioCodes - No Key Exchange

Posh-SSH to AudioCodes NOK

The error received is:
New-SSHSession: Session operation has timed out

I'd love to be able to automate processes on these systems, so would love your help in getting this connection to work!

What extra information do you need to help identify the problem?

Thanks,
Finn

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 timeout with New-SSHSession against an AudioCodes Mediant 2600, then compare the packet exchange with the working PuTTY connection. Investigate why Posh-SSH exchanges client and server protocols but does not begin Key Exchange Init. Done means the SSH key exchange starts and the session connects successfully.

Written by the indexing model from the issue text.

Assessment

Tech stack
powershell
Domain
networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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