1 # $OpenBSD: sshd_config,v 1.84 2011/05/23 03:30:07 djm Exp $ 2 3 # This is the sshd server system-wide configuration file. See 4 # sshd_config(5) for more information. 5 6 # This sshd was compiled with PATH=/usr/bin:/bin:/usr/sbin:/sbin 7 8 # The strategy used for options in the default sshd_config shipped with 9 # OpenSSH is to specify options with their default value where 10 # possible, but leave them commented. Uncommented options override the 11 # default value. 12 13 #Port 22 14 #AddressFamily any 15 #ListenAddress 0.0.0.0 16 #ListenAddress :: 17 18 # The default requires explicit activation of protocol 1 19 #Protocol 2 20 21 # HostKey for protocol version 1 22 #HostKey /etc/ssh/ssh_host_key 23 # HostKeys for protocol version 2 24 #HostKey /etc/ssh/ssh_host_rsa_key 25 #HostKey /etc/ssh/ssh_host_dsa_key 26 #HostKey /etc/ssh/ssh_host_ecdsa_key 27 28 # Lifetime and size of ephemeral version 1 server key 29 #KeyRegenerationInterval 1h 30 #ServerKeyBits 1024 31 32 # Logging 33 # obsoletes QuietMode and FascistLogging 34 #SyslogFacility AUTH 35 #LogLevel INFO 36 37 # Authentication: 38 39 #LoginGraceTime 2m 40 #PermitRootLogin yes 41 #StrictModes yes 42 #MaxAuthTries 6 43 #MaxSessions 10 44 45 #RSAAuthentication yes 46 #PubkeyAuthentication yes 47 48 # The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2 49 # but this is overridden so installations will only check .ssh/authorized_keys 50 AuthorizedKeysFile .ssh/authorized_keys 51 52 # For this to work you will also need host keys in /etc/ssh/ssh_known_hosts 53 #RhostsRSAAuthentication no 54 # similar for protocol version 2 55 #HostbasedAuthentication no 56 # Change to yes if you don't trust ~/.ssh/known_hosts for 57 # RhostsRSAAuthentication and HostbasedAuthentication 58 #IgnoreUserKnownHosts no 59 # Don't read the user's ~/.rhosts and ~/.shosts files 60 #IgnoreRhosts yes 61 62 # To disable tunneled clear text passwords, change to no here! 63 #PasswordAuthentication yes 64 #PermitEmptyPasswords no 65 66 # Change to no to disable s/key passwords 67 #ChallengeResponseAuthentication yes 68 69 # Kerberos options 70 #KerberosAuthentication no 71 #KerberosOrLocalPasswd yes 72 #KerberosTicketCleanup yes 73 #KerberosGetAFSToken no 74 75 # GSSAPI options 76 #GSSAPIAuthentication no 77 #GSSAPICleanupCredentials yes 78 79 # Set this to 'yes' to enable PAM authentication, account processing, 80 # and session processing. If this is enabled, PAM authentication will 81 # be allowed through the ChallengeResponseAuthentication and 82 # PasswordAuthentication. Depending on your PAM configuration, 83 # PAM authentication via ChallengeResponseAuthentication may bypass 84 # the setting of "PermitRootLogin without-password". 85 # If you just want the PAM account and session checks to run without 86 # PAM authentication, then enable this but set PasswordAuthentication 87 # and ChallengeResponseAuthentication to 'no'. 88 #UsePAM no 89 90 #AllowAgentForwarding yes 91 #AllowTcpForwarding yes 92 #GatewayPorts no 93 #X11Forwarding no 94 #X11DisplayOffset 10 95 #X11UseLocalhost yes 96 #PrintMotd yes 97 #PrintLastLog yes 98 #TCPKeepAlive yes 99 #UseLogin no 100 #UsePrivilegeSeparation yes 101 #PermitUserEnvironment no 102 #Compression delayed 103 #ClientAliveInterval 0 104 #ClientAliveCountMax 3 105 #UseDNS yes 106 #PidFile /var/run/sshd.pid 107 #MaxStartups 10 108 #PermitTunnel no 109 #ChrootDirectory none 110 111 # no default banner path 112 #Banner none 113 114 # override default of no subsystems 115 Subsystem sftp /usr/libexec/sftp-server 116 117 # Example of overriding settings on a per-user basis 118 #Match User anoncvs 119 # X11Forwarding no 120 # AllowTcpForwarding no 121 # ForceCommand cvs server 122
