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[Solved] Linux secureCRT Login ubuntu20.04 Error: No compatible key exchange method. The server supports these methods

Newly installed ubuntu 20.04 system, this time using the old version of secureCRT connection error
No compatible key exchange method. The server supports these methods: curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256

Login to the system through the web administration terminal
Edit /etc/ssh/sshd_config

At the bottom, add

KexAlgorithms [email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

Restart the system

At this time, the client can log in

KexAlgorithms [email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

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This entry was posted in Linux and tagged Linux secureCRT Login ubuntu20.04 Error, No compatible key exchange method. The server supports these methods on December 27, 2021 by Robins.

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