Annotation of src/usr.bin/ssh/sshd_config, Revision 1.81
1.81 ! markus 1: # $OpenBSD: sshd_config,v 1.80 2008/07/02 02:24:18 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:
1.81 ! markus 16: # The default requires explicit activation of protocol 1
! 17: #Protocol 2
1.40 markus 18:
19: # HostKey for protocol version 1
1.47 deraadt 20: #HostKey /etc/ssh/ssh_host_key
1.40 markus 21: # HostKeys for protocol version 2
1.47 deraadt 22: #HostKey /etc/ssh/ssh_host_rsa_key
23: #HostKey /etc/ssh/ssh_host_dsa_key
1.40 markus 24:
25: # Lifetime and size of ephemeral version 1 server key
1.61 djm 26: #KeyRegenerationInterval 1h
1.80 djm 27: #ServerKeyBits 1024
1.13 markus 28:
29: # Logging
1.71 djm 30: # obsoletes QuietMode and FascistLogging
1.44 stevesk 31: #SyslogFacility AUTH
32: #LogLevel INFO
1.13 markus 33:
1.40 markus 34: # Authentication:
35:
1.61 djm 36: #LoginGraceTime 2m
1.44 stevesk 37: #PermitRootLogin yes
38: #StrictModes yes
1.69 dtucker 39: #MaxAuthTries 6
1.79 djm 40: #MaxSessions 10
1.44 stevesk 41:
42: #RSAAuthentication yes
43: #PubkeyAuthentication yes
44: #AuthorizedKeysFile .ssh/authorized_keys
1.40 markus 45:
1.47 deraadt 46: # For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
1.44 stevesk 47: #RhostsRSAAuthentication no
1.36 markus 48: # similar for protocol version 2
1.44 stevesk 49: #HostbasedAuthentication no
50: # Change to yes if you don't trust ~/.ssh/known_hosts for
51: # RhostsRSAAuthentication and HostbasedAuthentication
52: #IgnoreUserKnownHosts no
1.63 markus 53: # Don't read the user's ~/.rhosts and ~/.shosts files
54: #IgnoreRhosts yes
1.6 deraadt 55:
56: # To disable tunneled clear text passwords, change to no here!
1.44 stevesk 57: #PasswordAuthentication yes
58: #PermitEmptyPasswords no
1.30 markus 59:
1.44 stevesk 60: # Change to no to disable s/key passwords
61: #ChallengeResponseAuthentication yes
1.6 deraadt 62:
1.44 stevesk 63: # Kerberos options
1.51 markus 64: #KerberosAuthentication no
1.1 deraadt 65: #KerberosOrLocalPasswd yes
1.44 stevesk 66: #KerberosTicketCleanup yes
1.67 jakob 67: #KerberosGetAFSToken no
1.64 markus 68:
69: # GSSAPI options
70: #GSSAPIAuthentication no
1.66 markus 71: #GSSAPICleanupCredentials yes
1.1 deraadt 72:
1.78 pyr 73: #AllowAgentForwarding yes
1.61 djm 74: #AllowTcpForwarding yes
75: #GatewayPorts no
1.44 stevesk 76: #X11Forwarding no
77: #X11DisplayOffset 10
1.45 stevesk 78: #X11UseLocalhost yes
1.44 stevesk 79: #PrintMotd yes
80: #PrintLastLog yes
1.68 millert 81: #TCPKeepAlive yes
1.6 deraadt 82: #UseLogin no
1.54 markus 83: #UsePrivilegeSeparation yes
1.57 markus 84: #PermitUserEnvironment no
1.72 markus 85: #Compression delayed
1.61 djm 86: #ClientAliveInterval 0
87: #ClientAliveCountMax 3
88: #UseDNS yes
89: #PidFile /var/run/sshd.pid
90: #MaxStartups 10
1.73 reyk 91: #PermitTunnel no
1.77 djm 92: #ChrootDirectory none
1.17 jakob 93:
1.44 stevesk 94: # no default banner path
1.76 djm 95: #Banner none
1.32 deraadt 96:
1.44 stevesk 97: # override default of no subsystems
1.32 deraadt 98: Subsystem sftp /usr/libexec/sftp-server
1.74 dtucker 99:
100: # Example of overriding settings on a per-user basis
101: #Match User anoncvs
102: # X11Forwarding no
103: # AllowTcpForwarding no
104: # ForceCommand cvs server