Annotation of src/usr.bin/ssh/sshd_config, Revision 1.102
1.102 ! djm 1: # $OpenBSD: sshd_config,v 1.101 2017/03/14 07:19:07 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
1.83 dtucker 8: # possible, but leave them commented. Uncommented options override the
1.44 stevesk 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:
1.47 deraadt 16: #HostKey /etc/ssh/ssh_host_rsa_key
1.82 naddy 17: #HostKey /etc/ssh/ssh_host_ecdsa_key
1.93 djm 18: #HostKey /etc/ssh/ssh_host_ed25519_key
1.40 markus 19:
1.90 dtucker 20: # Ciphers and keying
21: #RekeyLimit default none
1.13 markus 22:
23: # Logging
1.44 stevesk 24: #SyslogFacility AUTH
25: #LogLevel INFO
1.13 markus 26:
1.40 markus 27: # Authentication:
28:
1.61 djm 29: #LoginGraceTime 2m
1.97 deraadt 30: #PermitRootLogin prohibit-password
1.44 stevesk 31: #StrictModes yes
1.69 dtucker 32: #MaxAuthTries 6
1.79 djm 33: #MaxSessions 10
1.44 stevesk 34:
35: #PubkeyAuthentication yes
1.84 djm 36:
37: # The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2
38: # but this is overridden so installations will only check .ssh/authorized_keys
39: AuthorizedKeysFile .ssh/authorized_keys
1.86 djm 40:
41: #AuthorizedPrincipalsFile none
1.88 djm 42:
43: #AuthorizedKeysCommand none
44: #AuthorizedKeysCommandUser nobody
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: #HostbasedAuthentication no
48: # Change to yes if you don't trust ~/.ssh/known_hosts for
1.100 naddy 49: # HostbasedAuthentication
1.44 stevesk 50: #IgnoreUserKnownHosts no
1.63 markus 51: # Don't read the user's ~/.rhosts and ~/.shosts files
52: #IgnoreRhosts yes
1.6 deraadt 53:
54: # To disable tunneled clear text passwords, change to no here!
1.44 stevesk 55: #PasswordAuthentication yes
56: #PermitEmptyPasswords no
1.30 markus 57:
1.44 stevesk 58: # Change to no to disable s/key passwords
59: #ChallengeResponseAuthentication yes
1.1 deraadt 60:
1.78 pyr 61: #AllowAgentForwarding yes
1.61 djm 62: #AllowTcpForwarding yes
63: #GatewayPorts no
1.44 stevesk 64: #X11Forwarding no
65: #X11DisplayOffset 10
1.45 stevesk 66: #X11UseLocalhost yes
1.92 djm 67: #PermitTTY yes
1.44 stevesk 68: #PrintMotd yes
69: #PrintLastLog yes
1.68 millert 70: #TCPKeepAlive yes
1.6 deraadt 71: #UseLogin no
1.57 markus 72: #PermitUserEnvironment no
1.72 markus 73: #Compression delayed
1.61 djm 74: #ClientAliveInterval 0
75: #ClientAliveCountMax 3
1.94 deraadt 76: #UseDNS no
1.61 djm 77: #PidFile /var/run/sshd.pid
1.89 dtucker 78: #MaxStartups 10:30:100
1.73 reyk 79: #PermitTunnel no
1.77 djm 80: #ChrootDirectory none
1.85 djm 81: #VersionAddendum none
1.17 jakob 82:
1.44 stevesk 83: # no default banner path
1.76 djm 84: #Banner none
1.32 deraadt 85:
1.44 stevesk 86: # override default of no subsystems
1.32 deraadt 87: Subsystem sftp /usr/libexec/sftp-server
1.74 dtucker 88:
89: # Example of overriding settings on a per-user basis
90: #Match User anoncvs
91: # X11Forwarding no
92: # AllowTcpForwarding no
1.92 djm 93: # PermitTTY no
1.74 dtucker 94: # ForceCommand cvs server