sshd_config revision 1.14 1 1.11 christos # $NetBSD: sshd_config,v 1.14 2015/07/03 01:00:00 christos Exp $
2 1.14 christos # $OpenBSD: sshd_config,v 1.95 2015/04/27 21:42:48 djm Exp $
3 1.1 christos
4 1.1 christos # This is the sshd server system-wide configuration file. See
5 1.1 christos # sshd_config(5) for more information.
6 1.1 christos
7 1.1 christos # The strategy used for options in the default sshd_config shipped with
8 1.1 christos # OpenSSH is to specify options with their default value where
9 1.8 christos # possible, but leave them commented. Uncommented options override the
10 1.1 christos # default value.
11 1.1 christos
12 1.1 christos #Port 22
13 1.1 christos #AddressFamily any
14 1.1 christos #ListenAddress 0.0.0.0
15 1.1 christos #ListenAddress ::
16 1.1 christos
17 1.4 adam # The default requires explicit activation of protocol 1
18 1.4 adam #Protocol 2
19 1.1 christos
20 1.1 christos # HostKey for protocol version 1
21 1.1 christos #HostKey /etc/ssh/ssh_host_key
22 1.1 christos # HostKeys for protocol version 2
23 1.1 christos #HostKey /etc/ssh/ssh_host_rsa_key
24 1.1 christos #HostKey /etc/ssh/ssh_host_dsa_key
25 1.7 christos #HostKey /etc/ssh/ssh_host_ecdsa_key
26 1.12 christos #HostKey /etc/ssh/ssh_host_ed25519_key
27 1.1 christos
28 1.1 christos # Lifetime and size of ephemeral version 1 server key
29 1.1 christos #KeyRegenerationInterval 1h
30 1.1 christos #ServerKeyBits 1024
31 1.1 christos
32 1.11 christos # Ciphers and keying
33 1.11 christos #RekeyLimit default none
34 1.11 christos
35 1.1 christos # Logging
36 1.1 christos # obsoletes QuietMode and FascistLogging
37 1.1 christos #SyslogFacility AUTH
38 1.1 christos #LogLevel INFO
39 1.1 christos
40 1.1 christos # Authentication:
41 1.1 christos
42 1.14 christos #LoginGraceTime 2m
43 1.3 dyoung #PermitRootLogin no
44 1.1 christos #StrictModes yes
45 1.1 christos #MaxAuthTries 6
46 1.1 christos #MaxSessions 10
47 1.1 christos
48 1.1 christos #RSAAuthentication yes
49 1.1 christos #PubkeyAuthentication yes
50 1.8 christos
51 1.8 christos # The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2
52 1.8 christos # but this is overridden so installations will only check .ssh/authorized_keys
53 1.8 christos AuthorizedKeysFile .ssh/authorized_keys
54 1.1 christos
55 1.9 christos #AuthorizedPrincipalsFile none
56 1.9 christos
57 1.10 christos #AuthorizedKeysCommand none
58 1.10 christos #AuthorizedKeysCommandUser nobody
59 1.10 christos
60 1.1 christos # For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
61 1.1 christos #RhostsRSAAuthentication no
62 1.1 christos # similar for protocol version 2
63 1.1 christos #HostbasedAuthentication no
64 1.1 christos # Change to yes if you don't trust ~/.ssh/known_hosts for
65 1.1 christos # RhostsRSAAuthentication and HostbasedAuthentication
66 1.1 christos #IgnoreUserKnownHosts no
67 1.1 christos # Don't read the user's ~/.rhosts and ~/.shosts files
68 1.1 christos #IgnoreRhosts yes
69 1.1 christos
70 1.6 jruoho # To disable password authentication, set this and UsePam to no
71 1.1 christos #PasswordAuthentication yes
72 1.1 christos #PermitEmptyPasswords no
73 1.1 christos
74 1.1 christos # Change to no to disable s/key passwords
75 1.1 christos #ChallengeResponseAuthentication yes
76 1.1 christos
77 1.1 christos #AllowAgentForwarding yes
78 1.1 christos #AllowTcpForwarding yes
79 1.1 christos #GatewayPorts no
80 1.1 christos #X11Forwarding no
81 1.2 christos # If you use xorg from pkgsrc then uncomment the following line.
82 1.2 christos #XAuthLocation /usr/pkg/bin/xauth
83 1.1 christos #X11DisplayOffset 10
84 1.1 christos #X11UseLocalhost yes
85 1.12 christos #PermitTTY yes
86 1.1 christos #PrintMotd yes
87 1.1 christos #PrintLastLog yes
88 1.1 christos #TCPKeepAlive yes
89 1.1 christos #UseLogin no
90 1.9 christos UsePrivilegeSeparation sandbox
91 1.2 christos UsePam yes
92 1.1 christos #PermitUserEnvironment no
93 1.1 christos #Compression delayed
94 1.1 christos #ClientAliveInterval 0
95 1.1 christos #ClientAliveCountMax 3
96 1.13 christos #UseDNS no
97 1.1 christos #PidFile /var/run/sshd.pid
98 1.10 christos #MaxStartups 10:30:100
99 1.1 christos #PermitTunnel no
100 1.1 christos #ChrootDirectory none
101 1.9 christos #VersionAddendum none
102 1.1 christos
103 1.1 christos # no default banner path
104 1.1 christos #Banner none
105 1.1 christos
106 1.5 adam # here are the new patched ldap related tokens
107 1.5 adam # entries in your LDAP must have posixAccount & ldapPublicKey objectclass
108 1.5 adam #UseLPK yes
109 1.5 adam #LpkLdapConf /etc/ldap.conf
110 1.5 adam #LpkServers ldap://10.1.7.1/ ldap://10.1.7.2/
111 1.5 adam #LpkUserDN ou=users,dc=phear,dc=org
112 1.5 adam #LpkGroupDN ou=groups,dc=phear,dc=org
113 1.5 adam #LpkBindDN cn=Manager,dc=phear,dc=org
114 1.5 adam #LpkBindPw secret
115 1.5 adam #LpkServerGroup mail
116 1.5 adam #LpkFilter (hostAccess=master.phear.org)
117 1.5 adam #LpkForceTLS no
118 1.5 adam #LpkSearchTimelimit 3
119 1.5 adam #LpkBindTimelimit 3
120 1.5 adam #LpkPubKeyAttr sshPublicKey
121 1.5 adam
122 1.1 christos # override default of no subsystems
123 1.1 christos Subsystem sftp /usr/libexec/sftp-server
124 1.1 christos
125 1.2 christos # the following are HPN related configuration options
126 1.2 christos # tcp receive buffer polling. disable in non autotuning kernels
127 1.2 christos #TcpRcvBufPoll yes
128 1.3 dyoung
129 1.2 christos # allow the use of the none cipher
130 1.2 christos #NoneEnabled no
131 1.2 christos
132 1.3 dyoung # disable hpn performance boosts.
133 1.2 christos #HPNDisabled no
134 1.2 christos
135 1.2 christos # buffer size for hpn to non-hpn connections
136 1.2 christos #HPNBufferSize 2048
137 1.2 christos
138 1.2 christos
139 1.1 christos # Example of overriding settings on a per-user basis
140 1.1 christos #Match User anoncvs
141 1.1 christos # X11Forwarding no
142 1.1 christos # AllowTcpForwarding no
143 1.12 christos # PermitTTY no
144 1.1 christos # ForceCommand cvs server
145