# $OpenBSD: sshd_config,v 1.87 2012/07/10 02:19:15 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 override the # default value. # Note that some of DragonFly's defaults differ from OpenBSD's, and # DragonFly has a few additional options. #VersionAddendum DragonFly-20110920 #Port 22 #AddressFamily any #ListenAddress 0.0.0.0 #ListenAddress :: # 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 #HostKey /etc/ssh/ssh_host_rsa_key #HostKey /etc/ssh/ssh_host_dsa_key #HostKey /etc/ssh/ssh_host_ecdsa_key # Lifetime and size of ephemeral version 1 server key #KeyRegenerationInterval 1h #ServerKeyBits 1024 # Logging # obsoletes QuietMode and FascistLogging #SyslogFacility AUTH #LogLevel INFO # Authentication: #LoginGraceTime 2m # only allow root logins via public key pair PermitRootLogin without-password #StrictModes yes #MaxAuthTries 6 #MaxSessions 10 #RSAAuthentication yes #PubkeyAuthentication yes #PermitBlacklistedKeys no # The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2 # but this is overridden so installations will only check .ssh/authorized_keys AuthorizedKeysFile .ssh/authorized_keys #AuthorizedPrincipalsFile none # For this to work you will also need host keys in /etc/ssh/ssh_known_hosts RhostsRSAAuthentication no # similar for protocol version 2 HostbasedAuthentication no # 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 # To disable tunneled clear text passwords, change to no here! # We disable cleartext passwords by default PasswordAuthentication no #PermitEmptyPasswords no # Change to no to disable s/key and tunneled clear-text passwords # when PAM is enabled. We disable this by default. Note that # PAM is also disabled by default. ChallengeResponseAuthentication no # Kerberos options #KerberosAuthentication no #KerberosOrLocalPasswd yes #KerberosTicketCleanup yes #KerberosGetAFSToken no # GSSAPI options #GSSAPIAuthentication no #GSSAPICleanupCredentials yes # 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 no #AllowAgentForwarding yes #AllowTcpForwarding yes #GatewayPorts no #X11Forwarding yes #X11DisplayOffset 10 #X11UseLocalhost yes #PrintMotd yes #PrintLastLog yes #TCPKeepAlive yes #UseLogin no UsePrivilegeSeparation sandbox # Default for new installations. #PermitUserEnvironment no #Compression delayed #ClientAliveInterval 0 #ClientAliveCountMax 3 #UseDNS yes #PidFile /var/run/sshd.pid #MaxStartups 10 #PermitTunnel no #ChrootDirectory none #VersionAddendum none #XAuthLocation /usr/pkg/bin/xauth # no default banner path #Banner none # override default of no subsystems Subsystem sftp /usr/libexec/sftp-server # the following are HPN related configuration options # tcp receive buffer polling. disable in non autotuning kernels #TcpRcvBufPoll yes # allow the use of the none cipher #NoneEnabled no # disable hpn performance boosts. #HPNDisabled no # buffer size for hpn to non-hpn connections #HPNBufferSize 2048 # Example of overriding settings on a per-user basis #Match User anoncvs # X11Forwarding no # AllowTcpForwarding no # ForceCommand cvs server