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adds support to harden sshd_config (KeyExchange, Ciphers, MACs)

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This commit is contained in:
Ingo Bente 2015-06-30 14:33:57 +02:00
parent bec4a2a77e
commit 83bb5ac5a0
2 changed files with 14 additions and 1 deletions
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9
openssh/files/sshd_config
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@ -156,6 +156,15 @@
# AllowGroups
{{ option('AllowGroups', '') }}
# Specifies the available KEX (Key Exchange) algorithms.
{{ option('KexAlgorithms', 'ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1') }}
# Specifies the ciphers allowed for protocol version 2.
{{ option('Ciphers', 'aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se') }}
# Specifies the available MAC (message authentication code) algorithms.
{{ option('MACs', 'hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-sha2-256,hmac-sha2-256-96,hmac-sha2-512,hmac-sha2-512-96,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96') }}
{# Handling unknown in salt template options #}
{%- for keyword in sshd_config.keys() %}
{#- Matches have to be at the bottem and should be handled differently -#}

4
pillar.example
View File

@ -45,6 +45,10 @@ sshd_config:
X11Forwarding: no
AllowTcpForwarding: no
ForceCommand: internal-sftp
# Check `man sshd_config` for supported KexAlgorithms, Ciphers and MACs first.
KexAlgorithms: 'diffie-hellman-group14-sha1,diffie-hellman-group1-sha1'
Ciphers: 'aes128-ctr,aes256-ctr'
MACs: 'hmac-sha1'
openssh:
auth: