MAC (message authentication code)

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sh ip ssh
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MAC Algorithms:hmac-sha2-256,hmac-sha2-512,hmac-sha1,hmac-sha1-96
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Related terms

• ssh -v: SSH2_MSG_KEX_ECDH_REPLY (Solution, modify sysctl: echo 1 > /proc/sys/net/ipv4/tcp_mtu_probing)

See also

• OpenSSH (changelog): /etc/ssh/sshd_config | /etc/ssh/ssh_config | ~/.ssh/ | openSSL | sshd logs | sftp | scp | authorized_keys | ssh-keygen | ssh-keyscan | ssh-add | ssh-agent | ssh | Ssh -O stop | ssh-copy-id | CheckHostIP | UseKeychain, OpenSSF