121 lines
4.5 KiB
Plaintext
121 lines
4.5 KiB
Plaintext
###########################################################################################
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# Debian Bookworm VPS Hardening Disabling Modules .conf V4.8.128.2024.07.07 #
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###########################################################################################
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# Copyright (c) 2019 - 2024, Marc Weidner, Centurion Intelligence Consulting Agency #
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# https://coresecret.eu/ #
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# Licensed under the EUROPEAN UNION PUBLIC LICENCE v. 1.2 https://eupl.eu/1.2/en/ #
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###########################################################################################
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# https://keys.openpgp.org/vks/v1/by-fingerprint/A6D46A56AE17A185AB0F6DB77095A8A13CBE0FA3 #
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# Fingerprint A6D4 6A56 AE17 A185 AB0F 6DB7 7095 A8A1 3CBE 0FA3 #
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###########################################################################################
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# This is the sshd server system-wide configuration file. See sshd_config(5) for more information.
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# This sshd was compiled with PATH=/usr/bin:/bin:/usr/sbin:/sbin
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# The strategy used for options in the default sshd_config shipped with OpenSSH is to specify options with their default value where
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# possible, but leave them commented. Uncommented options override the default value.
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Include /etc/ssh/sshd_config.d/*.conf
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Protocol 2
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ListenAddress 0.0.0.0
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ListenAddress ::
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Port 22
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AllowUsers DUMMYSTRING
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UseDNS no
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Banner /etc/banner
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DebianBanner no
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VersionAddendum none
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AddressFamily any
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PermitRootLogin prohibit-password
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PasswordAuthentication no
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PermitEmptyPasswords no
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StrictModes yes
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LoginGraceTime 2m
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MaxAuthTries 3
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MaxSessions 2
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AuthorizedKeysFile %h/.ssh/authorized_keys
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PubkeyAuthentication yes
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AllowAgentForwarding no
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AllowTcpForwarding no
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X11Forwarding no
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GatewayPorts no
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HostKey /etc/ssh/ssh_host_ed25519_key
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HostKey /etc/ssh/ssh_host_rsa_key
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KexAlgorithms sntrup761x25519-sha512@openssh.com,curve25519-sha256@libssh.org,diffie-hellman-group18-sha512,diffie-hellman-group16-sha512
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Ciphers aes256-gcm@openssh.com,chacha20-poly1305@openssh.com
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HostKeyAlgorithms rsa-sha2-512-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,sk-ssh-ed25519-cert-v01@openssh.com,ssh-ed25519-cert-v01@openssh.com,rsa-sha2-512,rsa-sha2-256,ssh-ed25519
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MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com
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CASignatureAlgorithms rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp384,ssh-ed25519,sk-ssh-ed25519@openssh.com
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ClientAliveInterval 300
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ClientAliveCountMax 2
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Compression no
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LogLevel VERBOSE
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PidFile /var/run/sshd.pid
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PrintMotd no
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PrintLastLog yes
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TCPKeepAlive no
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# UsePrivilegeSeparation yes
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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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# Change to yes to enable challenge-response passwords (beware issues with some PAM modules and threads)
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KbdInteractiveAuthentication no
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# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts!
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# Change to yes if you don't trust ~/.ssh/known_hosts for HostbasedAuthentication!
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HostbasedAuthentication 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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# AuthorizedPrincipalsFile none
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# AuthorizedKeysCommand none
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# AuthorizedKeysCommandUser nobody
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# MaxStartups 10:30:100
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# PermitTunnel no
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# ChrootDirectory none
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# VersionAddendum none
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# X11DisplayOffset 10
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# X11UseLocalhost yes
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# PermitTTY yes
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# PermitUserEnvironment no
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# IgnoreUserKnownHosts 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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# 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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# Copyright (c) 2019 - 2024, Marc Weidner, Centurion Intelligence Consulting Agency |