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# $OpenBSD: sshd_config,v 1.81 2009/10/08 14:03:41 markus Exp $
# $FreeBSD: src/crypto/openssh/sshd_config,v 1.49.2.2.2.1 2010/06/14 02:09:06 kensmith 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.
# Note that some of FreeBSD's defaults differ from OpenBSD's, and
# FreeBSD has a few additional options.
#VersionAddendum FreeBSD-20100308
<% unless (s=scope.lookupvar('::sshd::head_additional_options')).empty? -%>
<%= s %>
<% end -%>
# What ports, IPs and protocols we listen for
<% scope.lookupvar('::sshd::ports').to_a.each do |port| -%>
<% if port == 'off' -%>
#Port -- disabled by puppet
<% else -%>
Port <%= port %>
<% end -%>
<% end -%>
#AddressFamily any
<% scope.lookupvar('::sshd::listen_address').to_a.each do |address| -%>
ListenAddress <%= address %>
<% end -%>
# The default requires explicit activation of protocol 1
Protocol 2
# HostKey for protocol version 1
#HostKey /etc/ssh/ssh_host_key
# HostKeys for protocol version 2
<% scope.lookupvar('::sshd::hostkey_type').to_a.each do |hostkey_type| -%>
HostKey /etc/ssh/ssh_host_<%=hostkey_type %>_key
<% end -%>
# Lifetime and size of ephemeral version 1 server key
#KeyRegenerationInterval 1h
#ServerKeyBits 1024
# Logging
# obsoletes QuietMode and FascistLogging
SyslogFacility AUTH
LogLevel INFO
# Authentication:
LoginGraceTime 600
PermitRootLogin <%= scope.lookupvar('::sshd::permit_root_login') %>
StrictModes <%= scope.lookupvar('::sshd::strict_modes') %>
#MaxAuthTries 6
#MaxSessions 10
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 yes
# Change to yes to enable built-in password authentication.
PasswordAuthentication <%= scope.lookupvar('::sshd::password_authentication') %>
PermitEmptyPasswords <%= scope.lookupvar('::sshd::permit_empty_passwords') %>
# Change to no to disable PAM authentication
ChallengeResponseAuthentication <%= scope.lookupvar('::sshd::challenge_response_authentication') %>
# Kerberos options
KerberosAuthentication <%= scope.lookupvar('::sshd::kerberos_authentication') %>
KerberosOrLocalPasswd <%= scope.lookupvar('::sshd::kerberos_orlocalpasswd') %>
KerberosTicketCleanup <%= scope.lookupvar('::sshd::kerberos_ticketcleanup') %>
# GSSAPI options
GSSAPIAuthentication <%= scope.lookupvar('::sshd::gssapi_authentication') %>
GSSAPICleanupCredentials <%= scope.lookupvar('::sshd::gssapi_cleanupcredentials') %>
# Set this to 'no' to disable 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') %>
AllowAgentForwarding <%= scope.lookupvar('::sshd::agent_forwarding') %>
AllowTcpForwarding <%= scope.lookupvar('::sshd::tcp_forwarding') %>
#GatewayPorts no
X11Forwarding <%= scope.lookupvar('::sshd::x11_forwarding') %>
X11DisplayOffset 10
#X11UseLocalhost yes
PrintMotd <%= 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
#ChrootDirectory none
# no default banner path
#Banner none
# override default of no subsystems
Subsystem sftp <%= (s=scope.lookupvar('::sshd::sftp_subsystem')).empty? ? '/usr/libexec/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
MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-ripemd160-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,umac-128@openssh.com
<% else -%>
Ciphers aes256-ctr
MACs hmac-sha2-512
<% end -%>
<% end -%>
<% unless (s=scope.lookupvar('::sshd::tail_additional_options')).empty? -%>
<%= s %>
<% end -%>
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