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Old 09-10-2018, 02:09 AM
WengSir WengSir is offline
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Join Date: Sep 2018
Posts: 1
Unhappy secureCRT login centos7.5 failed

secureCRT login centos7.5 failed, error is "The server's host key failed to verify. This could mean that the server you are connected to is impersonating the server it claims to be. A connection could not be established"

please help me
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Old 09-10-2018, 07:47 AM
bgagnon bgagnon is offline
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Join Date: Oct 2008
Posts: 3,529
Hi WengSir,

What version of SecureCRT are you using?

On what platform/OS?

It's often useful to see trace options output which provides debugging information that may help us better understand the problem that you're experiencing.

To enable trace options output:
  • First, open SecureCRT's main File pull-down menu and select Trace Options. If you open the File pull down menu again you should see a checkmark next to Trace Options, indicating that troubleshooting output is now enabled.
  • Next, connect to the remote machine. With trace options enabled, you will notice debugging information displayed in the terminal window that isn't normally there by default when SecureCRT is attempting to establish a connection, and at certain times throughout the lifetime of the connection.
  • Once the problem occurs, please right-click inside the terminal window and choose Select All, then right-click again and choose Copy to transfer the information to the clipboard.
  • Finally, open a text editor, paste the information from the clipboard into the editor program, and save it as a text file.
Since trace options can contain sensitive information, feel free to send it as an attachment via email to support@vandyke.com. Please reference "Attn Brenda - Forum Thread #13247" in the subject line.

NOTICE: The requested troubleshooting data may include sensitive information (usernames, passwords, publicly-accessible host names or IP addresses, etc.).

Please redact sensitive information that would not be appropriate for email communication prior to sending the requested information.

If there is sensitive information that must be conveyed in order to provide a complete picture of the scenario you're facing, please let us know and we will set up a secure upload mechanism that can be used.
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--Brenda

VanDyke Software
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support@vandyke.com
(505) 332-5730
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