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Added policy support for optional host key types, like certificates and smart card-based types.

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This commit is contained in:
Joe Testa
2020-07-15 14:32:14 -04:00
parent 17f5eb0b38
commit 68a420ff00
7 changed files with 30 additions and 10 deletions
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5
policies/ubuntu_server_16_04.txt
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@@ -2,7 +2,7 @@
# Official policy for hardened OpenSSH on Ubuntu Server 16.04 LTS.
#
name = "Ubuntu Server 16.04 LTS"
name = "Hardened Ubuntu Server 16.04 LTS"
version = 1
# Group exchange DH modulus sizes.
@@ -11,6 +11,9 @@ dh_modulus_size_diffie-hellman-group-exchange-sha256 = 2048
# The host key types that must match exactly (order matters).
host keys = ssh-ed25519
# Host key types that may optionally appear.
optional host keys = sk-ssh-ed25519@openssh.com,ssh-ed25519-cert-v01@openssh.com,sk-ssh-ed25519-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,rsa-sha2-512-cert-v01@openssh.com
# The key exchange algorithms that must match exactly (order matters).
key exchanges = curve25519-sha256@libssh.org, diffie-hellman-group-exchange-sha256

5
policies/ubuntu_server_18_04.txt
View File

@@ -2,7 +2,7 @@
# Official policy for hardened OpenSSH on Ubuntu Server 18.04 LTS.
#
name = "Ubuntu Server 18.04 LTS"
name = "Hardened Ubuntu Server 18.04 LTS"
version = 1
# Group exchange DH modulus sizes.
@@ -11,6 +11,9 @@ dh_modulus_size_diffie-hellman-group-exchange-sha256 = 2048
# The host key types that must match exactly (order matters).
host keys = ssh-ed25519
# Host key types that may optionally appear.
optional host keys = sk-ssh-ed25519@openssh.com,ssh-ed25519-cert-v01@openssh.com,sk-ssh-ed25519-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,rsa-sha2-512-cert-v01@openssh.com
# 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

5
policies/ubuntu_server_20_04.txt
View File

@@ -2,7 +2,7 @@
# Official policy for hardened OpenSSH on Ubuntu Server 20.04 LTS.
#
name = "Ubuntu Server 20.04 LTS"
name = "Hardened Ubuntu Server 20.04 LTS"
version = 1
# RSA host key sizes.
@@ -15,6 +15,9 @@ 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
# Host key types that may optionally appear.
optional host keys = sk-ssh-ed25519@openssh.com,ssh-ed25519-cert-v01@openssh.com,sk-ssh-ed25519-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,rsa-sha2-512-cert-v01@openssh.com
# 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