Basic config for all Debian servers.

states/auth_keys/jim

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+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOpXA5nq7cR9RTYC2mmVd7qDWhr5Uobb3Z8uhGWi1035 jim.hague@acm.org
+ssh-rsa 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 jim.hague@acm.org

states/common/init.sls

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+jim:
+  user.present:
+    - fullname: 'Jim Hague'
+    - home: /home/jim
+    - shell: /bin/bash
+    - optional_groups:
+      - wireshark
+  ssh_auth.present:
+    - user: jim
+    - source: salt://auth_keys/jim
+

states/debian/init.sls

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+deploy_sshd_config:
+  file.managed:
+    - name: /etc/ssh/sshd_config
+    - source: salt://debian/sshd_config
+
+ssh:
+  service.running:
+    - watch:
+      - file: /etc/ssh/sshd_config
+
+ntp:
+  pkg.installed: []
+  service.running:
+    - require:
+      - pkg: ntp

states/debian/sshd_config

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+#	$OpenBSD: sshd_config,v 1.103 2018/04/09 20:41:22 tj Exp $
+
+# This is the sshd server system-wide configuration file.  See
+# sshd_config(5) for more information.
+
+# This sshd was compiled with PATH=/usr/bin:/bin:/usr/sbin:/sbin
+
+# The strategy used for options in the default sshd_config shipped with
+# OpenSSH is to specify options with their default value where
+# possible, but leave them commented.  Uncommented options override the
+# default value.
+
+#Port 22
+#AddressFamily any
+#ListenAddress 0.0.0.0
+#ListenAddress ::
+
+#HostKey /etc/ssh/ssh_host_rsa_key
+#HostKey /etc/ssh/ssh_host_ecdsa_key
+#HostKey /etc/ssh/ssh_host_ed25519_key
+
+# Ciphers and keying
+#RekeyLimit default none
+
+# Logging
+#SyslogFacility AUTH
+#LogLevel INFO
+
+# Authentication:
+
+#LoginGraceTime 2m
+#PermitRootLogin prohibit-password
+#StrictModes yes
+#MaxAuthTries 6
+#MaxSessions 10
+
+#PubkeyAuthentication yes
+
+# Expect .ssh/authorized_keys2 to be disregarded by default in future.
+#AuthorizedKeysFile	.ssh/authorized_keys .ssh/authorized_keys2
+
+#AuthorizedPrincipalsFile none
+
+#AuthorizedKeysCommand none
+#AuthorizedKeysCommandUser nobody
+
+# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
+#HostbasedAuthentication no
+# Change to yes if you don't trust ~/.ssh/known_hosts for
+# HostbasedAuthentication
+#IgnoreUserKnownHosts no
+# Don't read the user's ~/.rhosts and ~/.shosts files
+#IgnoreRhosts yes
+
+# To disable tunneled clear text passwords, change to no here!
+#PasswordAuthentication yes
+PasswordAuthentication no
+#PermitEmptyPasswords no
+
+# Change to yes to enable challenge-response passwords (beware issues with
+# some PAM modules and threads)
+ChallengeResponseAuthentication no
+
+# Kerberos options
+#KerberosAuthentication no
+#KerberosOrLocalPasswd yes
+#KerberosTicketCleanup yes
+#KerberosGetAFSToken no
+
+# GSSAPI options
+#GSSAPIAuthentication no
+#GSSAPICleanupCredentials yes
+#GSSAPIStrictAcceptorCheck yes
+#GSSAPIKeyExchange no
+
+# Set this to 'yes' to enable PAM authentication, account processing,
+# and session processing. If this is enabled, PAM authentication will
+# be allowed through the ChallengeResponseAuthentication and
+# PasswordAuthentication.  Depending on your PAM configuration,
+# PAM authentication via ChallengeResponseAuthentication may bypass
+# the setting of "PermitRootLogin without-password".
+# If you just want the PAM account and session checks to run without
+# PAM authentication, then enable this but set PasswordAuthentication
+# and ChallengeResponseAuthentication to 'no'.
+UsePAM yes
+
+#AllowAgentForwarding yes
+#AllowTcpForwarding yes
+#GatewayPorts no
+X11Forwarding yes
+#X11DisplayOffset 10
+#X11UseLocalhost yes
+#PermitTTY yes
+PrintMotd no
+#PrintLastLog yes
+#TCPKeepAlive yes
+#PermitUserEnvironment no
+#Compression delayed
+#ClientAliveInterval 0
+#ClientAliveCountMax 3
+#UseDNS no
+#PidFile /var/run/sshd.pid
+#MaxStartups 10:30:100
+#PermitTunnel no
+#ChrootDirectory none
+#VersionAddendum none
+
+# no default banner path
+#Banner none
+
+# Allow client to pass locale environment variables
+AcceptEnv LANG LC_*
+
+# override default of no subsystems
+Subsystem	sftp	/usr/lib/openssh/sftp-server
+
+# Example of overriding settings on a per-user basis
+#Match User anoncvs
+#	X11Forwarding no
+#	AllowTcpForwarding no
+#	PermitTTY no
+#	ForceCommand cvs server

states/top.sls

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+base:
+  '*':
+    - common
+  
+  'hedwig.lunch.org.uk':
+    - debian
+
+  'scabbers.lunch.org.uk':
+    - debian