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SSH2 connect: Error: disconnected: signature check faile

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(@GerritVos)
New Member
Joined: 55 years ago
Posts: 2
Topic starter  

Hi,

I'm using Absolute telnet 3.63 for years.
Today I did update to 6.28 (evaluation)
This results in the following behavior:
If I try to connect a SSH2 server (firewall) I get the message: Error: disconnected: signature check failed

In version 3.63 I did get a popup to verify and allow the signature check. I don't receive that popup in 6.28

What do I forget?, How can I solve this?

Thanks a lot,
Gerrit


   
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(@GerritVos)
New Member
Joined: 55 years ago
Posts: 2
Topic starter  

I'm evaluating "Absolute Telnet 7.13 release candidate 5" But still get a popup: "disconnected: signature check failed"
It's not explained in the help and I can't find settings in the properties.

[size=1][ August 12, 2008, 12:06 AM: Message edited by: Gerrit Vos ][/size]


   
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(@bpence)
Member Admin
Joined: 8 months ago
Posts: 1374
 

Thanks, Gerrit. I'll take a look.

What type of SSH server are you connecting to?


   
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(@bpence)
Member Admin
Joined: 8 months ago
Posts: 1374
 

After a number of emails with Gerrit and a lot of hair pulling, I've finally got an answer on this one (and a fix). The problem is a compatibility issue that is specific to the ssh server he is using. The server in question is OpenSSH 3.5p1 embedded in a netasq firewall. Stock OpenSSH 3.5p1 from openssh.org does not exhibit this problem, so I imagine that the incompatibility was introduced by customization of the OpenSSH server by Netasq. The Netasq OpenSSH version, in combination with a seemingly innocuous change in version 5 created an incompatibility between AbsoluteTelnet (5 & 6) and any netasq products with the same or similar firmware. Absolute has been modified to account for the difference and a new beta is now available:

<old link removed> Please download version 7.13 or newer.

 

This post was modified 2 months ago by bpence

   
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