Added official policies for hardened Ubuntu 16.04, 18.04, and 20.04.

This commit is contained in:
Joe Testa 2020-07-06 16:16:52 -04:00
parent 1faa24ad86
commit 103b8fb934
3 changed files with 67 additions and 0 deletions

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#
# Official policy for hardened OpenSSH on Ubuntu Server 16.04 LTS.
#
name = "Ubuntu Server 16.04 LTS"
version = 1
# Group exchange DH modulus sizes.
dh_modulus_size_diffie-hellman-group-exchange-sha256 = 2048
# The host key types that must match exactly (order matters).
host keys = ssh-ed25519
# The key exchange algorithms that must match exactly (order matters).
key exchanges = curve25519-sha256@libssh.org, diffie-hellman-group-exchange-sha256
# The ciphers that must match exactly (order matters).
ciphers = chacha20-poly1305@openssh.com, aes256-gcm@openssh.com, aes128-gcm@openssh.com, aes256-ctr, aes192-ctr, aes128-ctr
# The MACs that must match exactly (order matters).
macs = hmac-sha2-256-etm@openssh.com, hmac-sha2-512-etm@openssh.com, umac-128-etm@openssh.com

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#
# Official policy for hardened OpenSSH on Ubuntu Server 18.04 LTS.
#
name = "Ubuntu Server 18.04 LTS"
version = 1
# Group exchange DH modulus sizes.
dh_modulus_size_diffie-hellman-group-exchange-sha256 = 2048
# The host key types that must match exactly (order matters).
host keys = ssh-ed25519
# The key exchange algorithms that must match exactly (order matters).
key exchanges = curve25519-sha256, curve25519-sha256@libssh.org, diffie-hellman-group16-sha512, diffie-hellman-group18-sha512, diffie-hellman-group-exchange-sha256
# The ciphers that must match exactly (order matters).
ciphers = chacha20-poly1305@openssh.com, aes256-gcm@openssh.com, aes128-gcm@openssh.com, aes256-ctr, aes192-ctr, aes128-ctr
# The MACs that must match exactly (order matters).
macs = hmac-sha2-256-etm@openssh.com, hmac-sha2-512-etm@openssh.com, umac-128-etm@openssh.com

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