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# $OpenBSD: sshd_config,v 1.75 2007/03/19 01:01:29 djm 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 change a
# default value.
<% unless (s=scope.lookupvar('sshd::head_additional_options')).empty? -%>
<%= s %>
<% end -%>
<% scope.lookupvar('sshd::ports').to_a.each do |port| -%>
<% if port == 'off' -%>
#Port -- disabled by puppet
<% else -%>
Port <%= port %>
<% end -%>
<% end -%>
# Use these options to restrict which interfaces/protocols sshd will bind to
<% scope.lookupvar('sshd::listen_address').to_a.each do |address| -%>
ListenAddress <%= address %>
<% end -%>
#AddressFamily any
# Disable legacy (protocol version 1) support in the server for new
# installations. In future the default will change to require explicit
# activation of protocol 1
Protocol 2
# HostKey for protocol version 1
#HostKey /etc/ssh/ssh_host_key
# HostKeys for protocol version 2
#HostKey /etc/ssh/ssh_host_rsa_key
#HostKey /etc/ssh/ssh_host_dsa_key
# Lifetime and size of ephemeral version 1 server key
#KeyRegenerationInterval 1h
#ServerKeyBits 768
# Logging
# obsoletes QuietMode and FascistLogging
#SyslogFacility AUTH
#LogLevel INFO
# Authentication:
#LoginGraceTime 2m
PermitRootLogin <%= scope.lookupvar('sshd::permit_root_login') %>
StrictModes <%= scope.lookupvar('sshd::strict_modes') %>
#MaxAuthTries 6
RSAAuthentication <%= scope.lookupvar('sshd::rsa_authentication') %>
PubkeyAuthentication <%= scope.lookupvar('sshd::pubkey_authentication') %>
AuthorizedKeysFile <%= scope.lookupvar('sshd::authorized_keys_file') %>
# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
RhostsRSAAuthentication <%= scope.lookupvar('sshd::rhosts_rsa_authentication') %>
# similar for protocol version 2
HostbasedAuthentication <%= scope.lookupvar('sshd::hostbased_authentication') %>
# Change to yes if you don't trust ~/.ssh/known_hosts for
# RhostsRSAAuthentication and HostbasedAuthentication
#IgnoreUserKnownHosts no
# Don't read the user's ~/.rhosts and ~/.shosts files
IgnoreRhosts <%= scope.lookupvar('sshd::ignore_rhosts') %>
# To disable tunneled clear text passwords, change to no here!
PasswordAuthentication <%= scope.lookupvar('sshd::password_authentication') %>
# To enable empty passwords, change to yes (NOT RECOMMENDED)
PermitEmptyPasswords <%= scope.lookupvar('sshd::permit_empty_passwords') %>
# Change to no to disable s/key passwords
ChallengeResponseAuthentication <%= scope.lookupvar('sshd::challenge_response_authentication') %>
# 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 <%= scope.lookupvar('sshd::use_pam') %>
AllowTcpForwarding <%= scope.lookupvar('sshd::tcp_forwarding') %>
#GatewayPorts no
X11Forwarding <%= scope.lookupvar('sshd::x11_forwarding') %>
#X11DisplayOffset 10
#X11UseLocalhost yes
PrintMotd <%= scope.lookupvar('sshd::print_motd') %>
#PrintLastLog yes
#TCPKeepAlive yes
#UseLogin no
#UsePrivilegeSeparation yes
#PermitUserEnvironment no
#Compression delayed
#ClientAliveInterval 0
#ClientAliveCountMax 3
#UseDNS yes
#PidFile /var/run/sshd.pid
#MaxStartups 10
#PermitTunnel no
# no default banner path
#Banner /some/path
# override default of no subsystems
Subsystem sftp <%= (s=scope.lookupvar('sshd::sftp_subsystem')).empty? ? '/usr/lib/misc/sftp-server' : s %>
# Example of overriding settings on a per-user basis
#Match User anoncvs
# X11Forwarding no
# AllowTcpForwarding no
# ForceCommand cvs server
<% unless (s=scope.lookupvar('sshd::allowed_users')).empty? -%>
AllowUsers <%= s %>
<% end -%>
<% unless (s=scope.lookupvar('sshd::allowed_groups')).empty? -%>
AllowGroups <%= s %>
<%- end -%>
<% if scope.lookupvar('sshd::hardened') == 'yes' -%>
<% if (scope.function_versioncmp([scope.lookupvar('::ssh_version'),'6.5'])) >= 0 -%>
KexAlgorithms curve25519-sha256@libssh.org
Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes256-ctr
<% else -%>
Ciphers aes256-ctr
<% end -%>
MACs hmac-sha1
<% end -%>
<% unless (s=scope.lookupvar('sshd::tail_additional_options')).empty? -%>
<%= s %>
<% end -%>
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