110 lines
2.6 KiB
Plaintext
110 lines
2.6 KiB
Plaintext
# OpenSSH rugged config
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# listen on ssh port, security is not "choice another port"
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Port 22
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# ipv6 only
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AddressFamily inet6
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ListenAddress ::
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# ed25519 only
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HostKey /etc/ssh/ssh_host_ed25519_key
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# SSH CA
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TrustedUserCAKeys /etc/ssh/ca-vault.pem
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# Cipher and algorithms
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KexAlgorithms curve25519-sha256@libssh.org
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Ciphers chacha20-poly1305@openssh.com
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MACs hmac-sha2-512-etm@openssh.com
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# Logging
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SyslogFacility AUTH
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LogLevel INFO
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# Authentication
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LoginGraceTime 10s
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PermitRootLogin prohibit-password
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StrictModes yes
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MaxAuthTries 2
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MaxSessions 10
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# Allow publickey
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PubkeyAuthentication yes
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# Expect .ssh/authorized_keys2 to be disregarded by default in future.
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#AuthorizedKeysFile .ssh/authorized_keys .ssh/authorized_keys2
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#AuthorizedPrincipalsFile none
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#AuthorizedKeysCommand none
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#AuthorizedKeysCommandUser nobody
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# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
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HostbasedAuthentication no
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# Don't read the user's ~/.rhosts and ~/.shosts files
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IgnoreRhosts yes
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# To disable tunneled clear text passwords, change to no here!
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#PasswordAuthentication yes
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#PermitEmptyPasswords no
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# Change to yes to enable challenge-response passwords (beware issues with
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# some PAM modules and threads)
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ChallengeResponseAuthentication no
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# Kerberos options
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KerberosAuthentication no
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#KerberosOrLocalPasswd yes
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#KerberosTicketCleanup yes
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#KerberosGetAFSToken no
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# GSSAPI options
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GSSAPIAuthentication no
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#GSSAPICleanupCredentials yes
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#GSSAPIStrictAcceptorCheck yes
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#GSSAPIKeyExchange no
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# Set this to 'yes' to enable PAM authentication, account processing,
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# and session processing. If this is enabled, PAM authentication will
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# be allowed through the ChallengeResponseAuthentication and
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# PasswordAuthentication. Depending on your PAM configuration,
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# PAM authentication via ChallengeResponseAuthentication may bypass
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# the setting of "PermitRootLogin without-password".
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# If you just want the PAM account and session checks to run without
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# PAM authentication, then enable this but set PasswordAuthentication
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# and ChallengeResponseAuthentication to 'no'.
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UsePAM yes
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#AllowAgentForwarding yes
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#AllowTcpForwarding yes
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#GatewayPorts no
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#X11DisplayOffset 10
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#X11UseLocalhost yes
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#PermitTTY yes
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#PrintLastLog yes
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#TCPKeepAlive yes
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#PermitUserEnvironment no
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#Compression delayed
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#ClientAliveInterval 0
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#ClientAliveCountMax 3
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#PidFile /var/run/sshd.pid
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#PermitTunnel no
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#ChrootDirectory none
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MaxStartups 10:30:100
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X11Forwarding no
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UseDNS no
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PrintMotd no
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VersionAddendum none
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# no default banner path
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Banner none
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DebianBanner no
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# Allow client to pass locale environment variables
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AcceptEnv LANG LC_*
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# override default of no subsystems
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Subsystem sftp /usr/lib/openssh/sftp-server
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