# $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 real_sshd_port.to_s.empty? then %> Port <%= real_sshd_port %> <%- else %> Port 22 <%- end %> #AddressFamily any #ListenAddress 0.0.0.0 #ListenAddress :: # 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 without-password <%- if real_sshd_strict_modes.to_s == 'yes' then %> StrictModes yes <%- else %> StrictModes no <%- end %> <%- unless real_sshd_permit_root_login.to_s.empty? then %> PermitRootLogin <%= real_sshd_permit_root_login %> <%- else %> PermitRootLogin without-password <%- end %> #MaxAuthTries 6 <%- if real_sshd_rsa_authentication.to_s == 'yes' then %> RSAAuthentication yes <%- else %> RSAAuthentication no <%- end %> <%- if real_sshd_pubkey_authentication.to_s == 'yes' then %> PubkeyAuthentication yes <%- else %> PubkeyAuthentication no <%- end %> <%- unless real_sshd_authorized_keys_file.to_s.empty? then %> AuthorizedKeysFile <%= real_sshd_authorized_keys_file %> <%- else %> AuthorizedKeysFile %h/.ssh/authorized_keys <%- end %> # For this to work you will also need host keys in /etc/ssh/ssh_known_hosts <%- if real_sshd_rhosts_rsa_authentication.to_s == 'yes' then %> RhostsRSAAuthentication yes <%- else %> RhostsRSAAuthentication no <% end -%> # similar for protocol version 2 <%- if real_sshd_hostbased_authentication.to_s == 'yes' then %> HostbasedAuthentication yes <%- else %> HostbasedAuthentication no <% end -%> # 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 <%- if real_sshd_ignore_rhosts.to_s == 'yes' then %> IgnoreRhosts yes <%- else %> IgnoreRhosts no <% end -%> # To disable tunneled clear text passwords, change to no here! <%- if real_sshd_password_authentication.to_s == 'yes' then %> PasswordAuthentication yes <%- else %> PasswordAuthentication no <%- end %> # To enable empty passwords, change to yes (NOT RECOMMENDED) <%- if real_sshd_permit_empty_passwords.to_s == 'yes' then %> PermitEmptyPasswords yes <% else -%> PermitEmptyPasswords no <% end -%> # Change to no to disable s/key passwords <%- if real_sshd_challenge_response_authentication.to_s == 'yes' then %> ChallengeResponseAuthentication yes <%- else %> ChallengeResponseAuthentication no <%- end %> # 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'. <%- if real_sshd_use_pam.to_s == 'yes' then %> UsePAM yes <%- else %> UsePAM no <%- end %> <%- if real_sshd_tcp_forwarding.to_s == 'yes' then %> AllowTcpForwarding yes <%- else %> AllowTcpForwarding no <%- end %> #GatewayPorts no <%- if real_sshd_x11_forwarding.to_s == 'yes' then %> X11Forwarding yes <%- else %> X11Forwarding no <%- end %> #X11DisplayOffset 10 #X11UseLocalhost yes #PrintMotd yes #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 /usr/lib/misc/sftp-server # Example of overriding settings on a per-user basis #Match User anoncvs # X11Forwarding no # AllowTcpForwarding no # ForceCommand cvs server <%- unless real_sshd_allowed_users.to_s.empty? then %> AllowUsers <%= real_sshd_allowed_users %> <%- end %>