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26 lines
980 B
Plaintext
26 lines
980 B
Plaintext
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#
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# Official policy for hardened OpenSSH on Ubuntu Server 20.04 LTS.
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#
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name = "Ubuntu Server 20.04 LTS"
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version = 1
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# RSA host key sizes.
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hostkey_size_rsa-sha2-256 = 4096
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hostkey_size_rsa-sha2-512 = 4096
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# Group exchange DH modulus sizes.
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dh_modulus_size_diffie-hellman-group-exchange-sha256 = 2048
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# The host key types that must match exactly (order matters).
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host keys = rsa-sha2-512, rsa-sha2-256, ssh-ed25519
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# The key exchange algorithms that must match exactly (order matters).
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key exchanges = curve25519-sha256, curve25519-sha256@libssh.org, diffie-hellman-group16-sha512, diffie-hellman-group18-sha512, diffie-hellman-group-exchange-sha256
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# The ciphers that must match exactly (order matters).
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ciphers = chacha20-poly1305@openssh.com, aes256-gcm@openssh.com, aes128-gcm@openssh.com, aes256-ctr, aes192-ctr, aes128-ctr
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# The MACs that must match exactly (order matters).
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macs = hmac-sha2-256-etm@openssh.com, hmac-sha2-512-etm@openssh.com, umac-128-etm@openssh.com
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