Annotation of src/usr.bin/ssh/sshd_config, Revision 1.80
1.80 ! djm 1: # $OpenBSD: sshd_config,v 1.79 2008/05/08 12:21:16 djm Exp $
1.27 niklas 2:
1.55 stevesk 3: # This is the sshd server system-wide configuration file. See
4: # sshd_config(5) for more information.
1.1 deraadt 5:
1.48 deraadt 6: # The strategy used for options in the default sshd_config shipped with
1.44 stevesk 7: # OpenSSH is to specify options with their default value where
8: # possible, but leave them commented. Uncommented options change a
9: # default value.
10:
11: #Port 22
1.70 djm 12: #AddressFamily any
1.15 markus 13: #ListenAddress 0.0.0.0
14: #ListenAddress ::
1.75 djm 15:
16: # Disable legacy (protocol version 1) support in the server for new
17: # installations. In future the default will change to require explicit
18: # activation of protocol 1
19: Protocol 2
1.40 markus 20:
21: # HostKey for protocol version 1
1.47 deraadt 22: #HostKey /etc/ssh/ssh_host_key
1.40 markus 23: # HostKeys for protocol version 2
1.47 deraadt 24: #HostKey /etc/ssh/ssh_host_rsa_key
25: #HostKey /etc/ssh/ssh_host_dsa_key
1.40 markus 26:
27: # Lifetime and size of ephemeral version 1 server key
1.61 djm 28: #KeyRegenerationInterval 1h
1.80 ! djm 29: #ServerKeyBits 1024
1.13 markus 30:
31: # Logging
1.71 djm 32: # obsoletes QuietMode and FascistLogging
1.44 stevesk 33: #SyslogFacility AUTH
34: #LogLevel INFO
1.13 markus 35:
1.40 markus 36: # Authentication:
37:
1.61 djm 38: #LoginGraceTime 2m
1.44 stevesk 39: #PermitRootLogin yes
40: #StrictModes yes
1.69 dtucker 41: #MaxAuthTries 6
1.79 djm 42: #MaxSessions 10
1.44 stevesk 43:
44: #RSAAuthentication yes
45: #PubkeyAuthentication yes
46: #AuthorizedKeysFile .ssh/authorized_keys
1.40 markus 47:
1.47 deraadt 48: # For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
1.44 stevesk 49: #RhostsRSAAuthentication no
1.36 markus 50: # similar for protocol version 2
1.44 stevesk 51: #HostbasedAuthentication no
52: # Change to yes if you don't trust ~/.ssh/known_hosts for
53: # RhostsRSAAuthentication and HostbasedAuthentication
54: #IgnoreUserKnownHosts no
1.63 markus 55: # Don't read the user's ~/.rhosts and ~/.shosts files
56: #IgnoreRhosts yes
1.6 deraadt 57:
58: # To disable tunneled clear text passwords, change to no here!
1.44 stevesk 59: #PasswordAuthentication yes
60: #PermitEmptyPasswords no
1.30 markus 61:
1.44 stevesk 62: # Change to no to disable s/key passwords
63: #ChallengeResponseAuthentication yes
1.6 deraadt 64:
1.44 stevesk 65: # Kerberos options
1.51 markus 66: #KerberosAuthentication no
1.1 deraadt 67: #KerberosOrLocalPasswd yes
1.44 stevesk 68: #KerberosTicketCleanup yes
1.67 jakob 69: #KerberosGetAFSToken no
1.64 markus 70:
71: # GSSAPI options
72: #GSSAPIAuthentication no
1.66 markus 73: #GSSAPICleanupCredentials yes
1.1 deraadt 74:
1.78 pyr 75: #AllowAgentForwarding yes
1.61 djm 76: #AllowTcpForwarding yes
77: #GatewayPorts no
1.44 stevesk 78: #X11Forwarding no
79: #X11DisplayOffset 10
1.45 stevesk 80: #X11UseLocalhost yes
1.44 stevesk 81: #PrintMotd yes
82: #PrintLastLog yes
1.68 millert 83: #TCPKeepAlive yes
1.6 deraadt 84: #UseLogin no
1.54 markus 85: #UsePrivilegeSeparation yes
1.57 markus 86: #PermitUserEnvironment no
1.72 markus 87: #Compression delayed
1.61 djm 88: #ClientAliveInterval 0
89: #ClientAliveCountMax 3
90: #UseDNS yes
91: #PidFile /var/run/sshd.pid
92: #MaxStartups 10
1.73 reyk 93: #PermitTunnel no
1.77 djm 94: #ChrootDirectory none
1.17 jakob 95:
1.44 stevesk 96: # no default banner path
1.76 djm 97: #Banner none
1.32 deraadt 98:
1.44 stevesk 99: # override default of no subsystems
1.32 deraadt 100: Subsystem sftp /usr/libexec/sftp-server
1.74 dtucker 101:
102: # Example of overriding settings on a per-user basis
103: #Match User anoncvs
104: # X11Forwarding no
105: # AllowTcpForwarding no
106: # ForceCommand cvs server