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Greg Hartman9768ca42017-06-22 20:49:52 -07001# $OpenBSD: sshd_config,v 1.101 2017/03/14 07:19:07 djm Exp $
Greg Hartmanbd77cf72015-02-25 13:21:06 -08002
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
Greg Hartmanbd77cf72015-02-25 13:21:06 -080018#HostKey /etc/ssh/ssh_host_rsa_key
19#HostKey /etc/ssh/ssh_host_dsa_key
20#HostKey /etc/ssh/ssh_host_ecdsa_key
Adam Langleyd0592972015-03-30 14:49:51 -070021#HostKey /etc/ssh/ssh_host_ed25519_key
Greg Hartmanbd77cf72015-02-25 13:21:06 -080022
Adam Langleyd0592972015-03-30 14:49:51 -070023# Ciphers and keying
24#RekeyLimit default none
25
Greg Hartmanbd77cf72015-02-25 13:21:06 -080026# Logging
Greg Hartmanbd77cf72015-02-25 13:21:06 -080027#SyslogFacility AUTH
28#LogLevel INFO
29
30# Authentication:
31
32#LoginGraceTime 2m
Greg Hartmanccacbc92016-02-03 09:59:44 -080033#PermitRootLogin prohibit-password
Greg Hartmanbd77cf72015-02-25 13:21:06 -080034#StrictModes yes
35#MaxAuthTries 6
36#MaxSessions 10
37
Greg Hartmanbd77cf72015-02-25 13:21:06 -080038#PubkeyAuthentication yes
39
40# The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2
41# but this is overridden so installations will only check .ssh/authorized_keys
42AuthorizedKeysFile .ssh/authorized_keys
43
Adam Langleyd0592972015-03-30 14:49:51 -070044#AuthorizedPrincipalsFile none
45
46#AuthorizedKeysCommand none
47#AuthorizedKeysCommandUser nobody
48
Greg Hartmanbd77cf72015-02-25 13:21:06 -080049# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
Greg Hartmanbd77cf72015-02-25 13:21:06 -080050#HostbasedAuthentication no
51# Change to yes if you don't trust ~/.ssh/known_hosts for
Greg Hartman9768ca42017-06-22 20:49:52 -070052# HostbasedAuthentication
Greg Hartmanbd77cf72015-02-25 13:21:06 -080053#IgnoreUserKnownHosts no
54# Don't read the user's ~/.rhosts and ~/.shosts files
55#IgnoreRhosts yes
56
57# To disable tunneled clear text passwords, change to no here!
58#PasswordAuthentication yes
59#PermitEmptyPasswords no
60
61# Change to no to disable s/key passwords
62#ChallengeResponseAuthentication yes
63
64# Kerberos options
65#KerberosAuthentication no
66#KerberosOrLocalPasswd yes
67#KerberosTicketCleanup yes
68#KerberosGetAFSToken no
69
70# GSSAPI options
71#GSSAPIAuthentication no
72#GSSAPICleanupCredentials yes
73
Adam Langleyd0592972015-03-30 14:49:51 -070074# Set this to 'yes' to enable PAM authentication, account processing,
75# and session processing. If this is enabled, PAM authentication will
Greg Hartmanbd77cf72015-02-25 13:21:06 -080076# be allowed through the ChallengeResponseAuthentication and
77# PasswordAuthentication. Depending on your PAM configuration,
78# PAM authentication via ChallengeResponseAuthentication may bypass
79# the setting of "PermitRootLogin without-password".
80# If you just want the PAM account and session checks to run without
81# PAM authentication, then enable this but set PasswordAuthentication
82# and ChallengeResponseAuthentication to 'no'.
83#UsePAM no
84
85#AllowAgentForwarding yes
86#AllowTcpForwarding yes
87#GatewayPorts no
88#X11Forwarding no
89#X11DisplayOffset 10
90#X11UseLocalhost yes
Adam Langleyd0592972015-03-30 14:49:51 -070091#PermitTTY yes
Greg Hartmanbd77cf72015-02-25 13:21:06 -080092#PrintMotd yes
93#PrintLastLog yes
94#TCPKeepAlive yes
95#UseLogin no
Greg Hartmanbd77cf72015-02-25 13:21:06 -080096#PermitUserEnvironment no
97#Compression delayed
98#ClientAliveInterval 0
99#ClientAliveCountMax 3
Adam Langleyd0592972015-03-30 14:49:51 -0700100#UseDNS no
Greg Hartmanbd77cf72015-02-25 13:21:06 -0800101#PidFile /var/run/sshd.pid
Adam Langleyd0592972015-03-30 14:49:51 -0700102#MaxStartups 10:30:100
Greg Hartmanbd77cf72015-02-25 13:21:06 -0800103#PermitTunnel no
104#ChrootDirectory none
Adam Langleyd0592972015-03-30 14:49:51 -0700105#VersionAddendum none
Greg Hartmanbd77cf72015-02-25 13:21:06 -0800106
107# no default banner path
108#Banner none
109
110# override default of no subsystems
111Subsystem sftp /usr/libexec/sftp-server
112
113# Example of overriding settings on a per-user basis
114#Match User anoncvs
115# X11Forwarding no
116# AllowTcpForwarding no
Adam Langleyd0592972015-03-30 14:49:51 -0700117# PermitTTY no
Greg Hartmanbd77cf72015-02-25 13:21:06 -0800118# ForceCommand cvs server