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SSH to Cisco ASA fails, unable to negotiate, no matching key exchange method found.

Short story: With SSH-clients based on OpenSSH 7.0 (like my OSX Mac) I cannot connect with SSH to a Cisco Firewall. To connect anyway I must add the parameter -oKexAlgorithms=+diffie-hellman-group1-sha1 to ssh. sha1 is deprecated as hash algoritm and should

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Posted in Cisco Networking, Cisco Security


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