sshd_config revision 255767
1255767Sdes# $OpenBSD: sshd_config,v 1.90 2013/05/16 04:09:14 dtucker Exp $ 299051Sdes# $FreeBSD: head/crypto/openssh/sshd_config 255767 2013-09-21 21:36:09Z des $ 357429Smarkm 498684Sdes# This is the sshd server system-wide configuration file. See 598684Sdes# sshd_config(5) for more information. 676262Sgreen 798941Sdes# This sshd was compiled with PATH=/usr/bin:/bin:/usr/sbin:/sbin 898941Sdes 992559Sdes# The strategy used for options in the default sshd_config shipped with 1092559Sdes# OpenSSH is to specify options with their default value where 11226046Sdes# possible, but leave them commented. Uncommented options override the 1292559Sdes# default value. 1392559Sdes 1499051Sdes# Note that some of FreeBSD's defaults differ from OpenBSD's, and 1599051Sdes# FreeBSD has a few additional options. 1699051Sdes 1792559Sdes#Port 22 18147005Sdes#AddressFamily any 1957429Smarkm#ListenAddress 0.0.0.0 2057429Smarkm#ListenAddress :: 2169591Sgreen 22204917Sdes# The default requires explicit activation of protocol 1 23204917Sdes#Protocol 2 24181111Sdes 2592559Sdes# HostKey for protocol version 1 2692559Sdes#HostKey /etc/ssh/ssh_host_key 2792559Sdes# HostKeys for protocol version 2 28181111Sdes#HostKey /etc/ssh/ssh_host_rsa_key 2992559Sdes#HostKey /etc/ssh/ssh_host_dsa_key 30221420Sdes#HostKey /etc/ssh/ssh_host_ecdsa_key 3157429Smarkm 3292559Sdes# Lifetime and size of ephemeral version 1 server key 33124211Sdes#KeyRegenerationInterval 1h 34181111Sdes#ServerKeyBits 1024 3592559Sdes 36255767Sdes# Ciphers and keying 37255767Sdes#RekeyLimit default none 38255767Sdes 3957429Smarkm# Logging 40149753Sdes# obsoletes QuietMode and FascistLogging 4192559Sdes#SyslogFacility AUTH 4292559Sdes#LogLevel INFO 4357429Smarkm 4492559Sdes# Authentication: 4592559Sdes 46124211Sdes#LoginGraceTime 2m 4799051Sdes#PermitRootLogin no 4892559Sdes#StrictModes yes 49137019Sdes#MaxAuthTries 6 50181111Sdes#MaxSessions 10 5192559Sdes 5292559Sdes#RSAAuthentication yes 5392559Sdes#PubkeyAuthentication yes 5492559Sdes 55226046Sdes# The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2 56248465Sdes#AuthorizedKeysFile .ssh/authorized_keys .ssh/authorized_keys2 57226046Sdes 58240075Sdes#AuthorizedPrincipalsFile none 59240075Sdes 60248619Sdes#AuthorizedKeysCommand none 61248619Sdes#AuthorizedKeysCommandUser nobody 62248619Sdes 6392559Sdes# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts 6492559Sdes#RhostsRSAAuthentication no 6576262Sgreen# similar for protocol version 2 6692559Sdes#HostbasedAuthentication no 6792559Sdes# Change to yes if you don't trust ~/.ssh/known_hosts for 6892559Sdes# RhostsRSAAuthentication and HostbasedAuthentication 6992559Sdes#IgnoreUserKnownHosts no 70124211Sdes# Don't read the user's ~/.rhosts and ~/.shosts files 71124211Sdes#IgnoreRhosts yes 7257429Smarkm 73126009Sdes# Change to yes to enable built-in password authentication. 74126009Sdes#PasswordAuthentication no 7592559Sdes#PermitEmptyPasswords no 7676262Sgreen 7799315Sdes# Change to no to disable PAM authentication 7895456Sdes#ChallengeResponseAuthentication yes 7957429Smarkm 8092559Sdes# Kerberos options 8198684Sdes#KerberosAuthentication no 8257429Smarkm#KerberosOrLocalPasswd yes 8392559Sdes#KerberosTicketCleanup yes 84126277Sdes#KerberosGetAFSToken no 8557429Smarkm 86124211Sdes# GSSAPI options 87124211Sdes#GSSAPIAuthentication no 88126277Sdes#GSSAPICleanupCredentials yes 8957429Smarkm 90162856Sdes# Set this to 'no' to disable PAM authentication, account processing, 91137019Sdes# and session processing. If this is enabled, PAM authentication will 92162856Sdes# be allowed through the ChallengeResponseAuthentication and 93162856Sdes# PasswordAuthentication. Depending on your PAM configuration, 94162856Sdes# PAM authentication via ChallengeResponseAuthentication may bypass 95162856Sdes# the setting of "PermitRootLogin without-password". 96162856Sdes# If you just want the PAM account and session checks to run without 97162856Sdes# PAM authentication, then enable this but set PasswordAuthentication 98162856Sdes# and ChallengeResponseAuthentication to 'no'. 99127033Sdes#UsePAM yes 10092559Sdes 101181111Sdes#AllowAgentForwarding yes 102124211Sdes#AllowTcpForwarding yes 103124211Sdes#GatewayPorts no 10499051Sdes#X11Forwarding yes 10592559Sdes#X11DisplayOffset 10 10692559Sdes#X11UseLocalhost yes 10792559Sdes#PrintMotd yes 10892559Sdes#PrintLastLog yes 109126277Sdes#TCPKeepAlive yes 11057429Smarkm#UseLogin no 111252338Sdes#UsePrivilegeSeparation yes 112106130Sdes#PermitUserEnvironment no 113149753Sdes#Compression delayed 114124211Sdes#ClientAliveInterval 0 115124211Sdes#ClientAliveCountMax 3 116124211Sdes#UseDNS yes 117124211Sdes#PidFile /var/run/sshd.pid 118248619Sdes#MaxStartups 10:30:100 119157019Sdes#PermitTunnel no 120181111Sdes#ChrootDirectory none 121255767Sdes#VersionAddendum FreeBSD-20130918 12265674Skris 12392559Sdes# no default banner path 124181111Sdes#Banner none 12576262Sgreen 12692559Sdes# override default of no subsystems 12776262SgreenSubsystem sftp /usr/libexec/sftp-server 128162856Sdes 129224638Sbrooks# Disable HPN tuning improvements. 130224638Sbrooks#HPNDisabled no 131224638Sbrooks 132224638Sbrooks# Buffer size for HPN to non-HPN connections. 133224638Sbrooks#HPNBufferSize 2048 134224638Sbrooks 135224638Sbrooks# TCP receive socket buffer polling for HPN. Disable on non autotuning kernels. 136224638Sbrooks#TcpRcvBufPoll yes 137224638Sbrooks 138224638Sbrooks# Allow the use of the NONE cipher. 139224638Sbrooks#NoneEnabled no 140224638Sbrooks 141162856Sdes# Example of overriding settings on a per-user basis 142162856Sdes#Match User anoncvs 143162856Sdes# X11Forwarding no 144162856Sdes# AllowTcpForwarding no 145162856Sdes# ForceCommand cvs server 146