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Hardened ssh
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| # Github already dropped support for diffie-hellman-group1-sha1 and diffie-hellman-group14-sha1 | |
| # FYI: https://githubengineering.com/crypto-deprecation-notice/ | |
| # Host github.com | |
| # KexAlgorithms [email protected],diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1 | |
| Host * | |
| KexAlgorithms [email protected],diffie-hellman-group-exchange-sha256 | |
| PasswordAuthentication no # comment this if you need password authentication (for example ssh into a VM) | |
| ChallengeResponseAuthentication no | |
| PubkeyAuthentication yes | |
| HostKeyAlgorithms [email protected],[email protected],ssh-ed25519,ssh-rsa | |
| Ciphers [email protected],[email protected],[email protected],aes256-ctr,aes192-ctr,aes128-ctr | |
| MACs [email protected],[email protected],[email protected],[email protected],hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,[email protected] |
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| KexAlgorithms [email protected],diffie-hellman-group-exchange-sha256 | |
| Ciphers [email protected],[email protected],[email protected],aes256-ctr,aes192-ctr,aes128-ctr | |
| MACs [email protected],[email protected],[email protected],[email protected],hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,[email protected] |
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https://stribika.github.io/2015/01/04/secure-secure-shell.html