sshd_config revision 1.28.4.1 1 # $NetBSD: sshd_config,v 1.28.4.1 2025/08/02 05:18:49 perseant Exp $
2 # $OpenBSD: sshd_config,v 1.105 2024/12/03 14:12:47 dtucker Exp $
3
4 # This is the sshd server system-wide configuration file. See
5 # sshd_config(5) for more information.
6
7 # The strategy used for options in the default sshd_config shipped with
8 # OpenSSH is to specify options with their default value where
9 # possible, but leave them commented. Uncommented options override the
10 # default value.
11
12 #Port 22
13 #AddressFamily any
14 #ListenAddress 0.0.0.0
15 #ListenAddress ::
16
17 #HostKey /etc/ssh/ssh_host_rsa_key
18 #HostKey /etc/ssh/ssh_host_ecdsa_key
19 #HostKey /etc/ssh/ssh_host_ed25519_key
20
21 # Ciphers and keying
22 #RekeyLimit default none
23
24 # Logging
25 #SyslogFacility AUTH
26 #LogLevel INFO
27
28 # Authentication:
29
30 # For slow CPUs, bumped from 2 minutes to 10
31 LoginGraceTime 600
32 #PermitRootLogin prohibit-password
33 #StrictModes yes
34 #MaxAuthTries 6
35 #MaxSessions 10
36
37 #PubkeyAuthentication yes
38
39 # The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2
40 # but this is overridden so installations will only check .ssh/authorized_keys
41 AuthorizedKeysFile .ssh/authorized_keys
42
43 #AuthorizedPrincipalsFile none
44
45 #AuthorizedKeysCommand none
46 #AuthorizedKeysCommandUser nobody
47
48 # For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
49 #HostbasedAuthentication no
50 # Change to yes if you don't trust ~/.ssh/known_hosts for
51 # HostbasedAuthentication
52 #IgnoreUserKnownHosts no
53 # Don't read the user's ~/.rhosts and ~/.shosts files
54 #IgnoreRhosts yes
55
56 # To disable tunneled clear text passwords, change to "no" here!
57 #PasswordAuthentication yes
58 #PermitEmptyPasswords no
59
60 # Change to "no" to disable keyboard-interactive authentication. Depending on
61 # the system's configuration, this may involve passwords, challenge-response,
62 # one-time passwords or some combination of these and other methods.
63 #KbdInteractiveAuthentication yes
64
65 # Kerberos options
66 #KerberosAuthentication no
67 #KerberosOrLocalPasswd yes
68 #KerberosTicketCleanup yes
69 #KerberosGetAFSToken no
70
71 # GSSAPI options
72 #GSSAPIAuthentication no
73 #GSSAPICleanupCredentials yes
74
75 # Set this to 'yes' to enable PAM authentication, account processing,
76 # and session processing. If this is enabled, PAM authentication will
77 # be allowed through the KbdInteractiveAuthentication and
78 # PasswordAuthentication settings. Depending on your PAM configuration,
79 # PAM authentication via KbdInteractiveAuthentication may bypass
80 # the setting of "PermitRootLogin without-password".
81 # If you just want the PAM account and session checks to run without
82 # PAM authentication, then enable this but set PasswordAuthentication
83 # and KbdInteractiveAuthentication to 'no'.
84 UsePAM yes
85
86 #AllowAgentForwarding yes
87 #AllowTcpForwarding yes
88 #GatewayPorts no
89 #X11Forwarding no
90 # If you use xorg from pkgsrc then uncomment the following line.
91 #XAuthLocation /usr/pkg/bin/xauth
92 #X11DisplayOffset 10
93 #X11UseLocalhost yes
94 #PermitTTY yes
95 #PrintMotd yes
96 #PrintLastLog yes
97 #TCPKeepAlive yes
98 #PermitUserEnvironment no
99 #Compression delayed
100 #ClientAliveInterval 0
101 #ClientAliveCountMax 3
102 #UseDNS no
103 #PidFile /var/run/sshd.pid
104 #MaxStartups 10:30:100
105 #PermitTunnel no
106 #ChrootDirectory none
107 #VersionAddendum none
108
109 # no default banner path
110 #Banner none
111
112 # here are the new patched ldap related tokens
113 # entries in your LDAP must have posixAccount & ldapPublicKey objectclass
114 #UseLPK yes
115 #LpkLdapConf /etc/ldap.conf
116 #LpkServers ldap://10.1.7.1/ ldap://10.1.7.2/
117 #LpkUserDN ou=users,dc=phear,dc=org
118 #LpkGroupDN ou=groups,dc=phear,dc=org
119 #LpkBindDN cn=Manager,dc=phear,dc=org
120 #LpkBindPw secret
121 #LpkServerGroup mail
122 #LpkFilter (hostAccess=master.phear.org)
123 #LpkForceTLS no
124 #LpkSearchTimelimit 3
125 #LpkBindTimelimit 3
126 #LpkPubKeyAttr sshPublicKey
127
128 # override default of no subsystems
129 Subsystem sftp /usr/libexec/sftp-server
130
131 # the following are HPN related configuration options
132 # tcp receive buffer polling. disable in non autotuning kernels
133 #TcpRcvBufPoll yes
134
135 # allow the use of the none cipher
136 #NoneEnabled no
137
138 # disable hpn performance boosts.
139 HPNDisabled yes
140
141 # buffer size for hpn to non-hpn connections
142 #HPNBufferSize 2048
143
144 # Example of overriding settings on a per-user basis
145 #Match User anoncvs
146 # X11Forwarding no
147 # AllowTcpForwarding no
148 # PermitTTY no
149 # ForceCommand cvs server
150