sshd_config revision 1.16.2.1 1 1.16.2.1 pgoyette # $NetBSD: sshd_config,v 1.16.2.1 2016/08/06 00:18:39 pgoyette Exp $
2 1.16.2.1 pgoyette # $OpenBSD: sshd_config,v 1.99 2016/07/11 03:19:44 tedu 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 #SyslogFacility AUTH
37 1.1 christos #LogLevel INFO
38 1.1 christos
39 1.1 christos # Authentication:
40 1.1 christos
41 1.14 christos #LoginGraceTime 2m
42 1.15 christos #PermitRootLogin prohibit-password
43 1.1 christos #StrictModes yes
44 1.1 christos #MaxAuthTries 6
45 1.1 christos #MaxSessions 10
46 1.1 christos
47 1.1 christos #RSAAuthentication yes
48 1.1 christos #PubkeyAuthentication yes
49 1.8 christos
50 1.8 christos # The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2
51 1.8 christos # but this is overridden so installations will only check .ssh/authorized_keys
52 1.8 christos AuthorizedKeysFile .ssh/authorized_keys
53 1.1 christos
54 1.9 christos #AuthorizedPrincipalsFile none
55 1.9 christos
56 1.10 christos #AuthorizedKeysCommand none
57 1.10 christos #AuthorizedKeysCommandUser nobody
58 1.10 christos
59 1.1 christos # For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
60 1.1 christos #RhostsRSAAuthentication no
61 1.1 christos # similar for protocol version 2
62 1.1 christos #HostbasedAuthentication no
63 1.1 christos # Change to yes if you don't trust ~/.ssh/known_hosts for
64 1.1 christos # RhostsRSAAuthentication and HostbasedAuthentication
65 1.1 christos #IgnoreUserKnownHosts no
66 1.1 christos # Don't read the user's ~/.rhosts and ~/.shosts files
67 1.1 christos #IgnoreRhosts yes
68 1.1 christos
69 1.6 jruoho # To disable password authentication, set this and UsePam to no
70 1.1 christos #PasswordAuthentication yes
71 1.1 christos #PermitEmptyPasswords no
72 1.1 christos
73 1.1 christos # Change to no to disable s/key passwords
74 1.1 christos #ChallengeResponseAuthentication yes
75 1.1 christos
76 1.1 christos #AllowAgentForwarding yes
77 1.1 christos #AllowTcpForwarding yes
78 1.1 christos #GatewayPorts no
79 1.1 christos #X11Forwarding no
80 1.2 christos # If you use xorg from pkgsrc then uncomment the following line.
81 1.2 christos #XAuthLocation /usr/pkg/bin/xauth
82 1.1 christos #X11DisplayOffset 10
83 1.1 christos #X11UseLocalhost yes
84 1.12 christos #PermitTTY yes
85 1.1 christos #PrintMotd yes
86 1.1 christos #PrintLastLog yes
87 1.1 christos #TCPKeepAlive yes
88 1.1 christos #UseLogin no
89 1.16 christos #UsePrivilegeSeparation sandbox
90 1.2 christos UsePam yes
91 1.1 christos #PermitUserEnvironment no
92 1.1 christos #Compression delayed
93 1.1 christos #ClientAliveInterval 0
94 1.1 christos #ClientAliveCountMax 3
95 1.13 christos #UseDNS no
96 1.1 christos #PidFile /var/run/sshd.pid
97 1.10 christos #MaxStartups 10:30:100
98 1.1 christos #PermitTunnel no
99 1.1 christos #ChrootDirectory none
100 1.9 christos #VersionAddendum none
101 1.1 christos
102 1.1 christos # no default banner path
103 1.1 christos #Banner none
104 1.1 christos
105 1.5 adam # here are the new patched ldap related tokens
106 1.5 adam # entries in your LDAP must have posixAccount & ldapPublicKey objectclass
107 1.5 adam #UseLPK yes
108 1.5 adam #LpkLdapConf /etc/ldap.conf
109 1.5 adam #LpkServers ldap://10.1.7.1/ ldap://10.1.7.2/
110 1.5 adam #LpkUserDN ou=users,dc=phear,dc=org
111 1.5 adam #LpkGroupDN ou=groups,dc=phear,dc=org
112 1.5 adam #LpkBindDN cn=Manager,dc=phear,dc=org
113 1.5 adam #LpkBindPw secret
114 1.5 adam #LpkServerGroup mail
115 1.5 adam #LpkFilter (hostAccess=master.phear.org)
116 1.5 adam #LpkForceTLS no
117 1.5 adam #LpkSearchTimelimit 3
118 1.5 adam #LpkBindTimelimit 3
119 1.5 adam #LpkPubKeyAttr sshPublicKey
120 1.5 adam
121 1.1 christos # override default of no subsystems
122 1.1 christos Subsystem sftp /usr/libexec/sftp-server
123 1.1 christos
124 1.2 christos # the following are HPN related configuration options
125 1.2 christos # tcp receive buffer polling. disable in non autotuning kernels
126 1.2 christos #TcpRcvBufPoll yes
127 1.3 dyoung
128 1.2 christos # allow the use of the none cipher
129 1.2 christos #NoneEnabled no
130 1.2 christos
131 1.3 dyoung # disable hpn performance boosts.
132 1.2 christos #HPNDisabled no
133 1.2 christos
134 1.2 christos # buffer size for hpn to non-hpn connections
135 1.2 christos #HPNBufferSize 2048
136 1.2 christos
137 1.2 christos
138 1.1 christos # Example of overriding settings on a per-user basis
139 1.1 christos #Match User anoncvs
140 1.1 christos # X11Forwarding no
141 1.1 christos # AllowTcpForwarding no
142 1.12 christos # PermitTTY no
143 1.1 christos # ForceCommand cvs server
144