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Old 04-16-2018, 07:34 AM
bgagnon bgagnon is offline
VanDyke Technical Support
 
Join Date: Oct 2008
Posts: 3,937
Hi malick.mbaye,

What version of SecureCRT are you using?

Quote:
I went to Session Setting but have seen that those protocols above are not used by my SecureCRT.
They are not protocols, so I am not sure if you were looking in the right places.

Quote:
No compatible key exchange method. The server supports these methods: curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256
Support for the latter one was added in v7.3:

Changes in SecureCRT 7.3 (Beta 3) -- September 9, 2014
------------------------------------------------------

  • Added support for diffie-hellman-group-exchange-sha256 key-exchange algorithm.
Support for curve25519 is a feature request:

I have added this thread to a feature request in our product enhancement database to implement curve25519-sha256 and curve25519-sha256@libssh.org key exchange algo. Should a future release of SecureCRT include this feature, notification will be posted here.

If you prefer direct email notification, send an email to support@vandyke.com and include "Feature Request - Forum Thread #13086" in the subject line or use this form from the support page of our website.

If using v7.3.x or later, you should be able to enable diffie-hellman-group-exchange-sha256 in the Connection / SSH2 category of Session Options (in the key exchange grouping).


Quote:
No compatible MAC. The server supports these MACs: hmac-sha2-256,hmac-sha2-512"
Support for these MACs was added in v7.2:

Changes in SecureCRT 7.2 (Beta 1) -- October 8, 2013 (7.2.0.359)
----------------------------------------------------
  • SSH2: Added support for SHA-2 MAC algorithms.
If using v7.2.x or later (but of course you need v7.3 for the above), you should be able to enable SHA2 MACs in the Connection / SSH2 / Advanced category of Session Options (in the MAC grouping). It is recommended that SHA2-256 be higher in the list than SHA2-512 because some servers don't properly implement the 512 version.
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Thanks,
--Brenda

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

Last edited by jdev; 04-16-2018 at 08:46 AM.
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