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https://github.com/tommytran732/Linux-Setup-Scripts
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Update SSH hardening
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@ -35,9 +35,7 @@ sudo ufw allow OpenSSH
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echo 'GSSAPIAuthentication no
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VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
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sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
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echo 'PasswordAuthentication no
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KerberosAuthentication no
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GSSAPIAuthentication no' | sudo tee /etc/ssh/sshd_config.d/10-custom.conf
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sudo curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/sshd_config/10-custom.conf -o /etc/ssh/sshd_config.d/10-custom.conf
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sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf
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sudo mkdir -p /etc/systemd/system/ssh.service.d
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sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/local.conf -o /etc/systemd/system/ssh.service.d/override.conf
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@ -34,16 +34,7 @@ mkdir -p /etc/ssh/ssh_config.d /etc/ssh/sshd_config.d
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echo 'GSSAPIAuthentication no
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VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
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sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
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echo 'HostKey /etc/ssh/ssh_host_ed25519_key
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HostKeyAlgorithms ssh-ed25519
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#KexAlgorithms sntrup761x25519-sha512@openssh.com
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PubkeyAcceptedKeyTypes ssh-ed25519
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Ciphers aes256-gcm@openssh.com
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MACs -*
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PasswordAuthentication no
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PermitRootLogin no
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KerberosAuthentication no
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GSSAPIAuthentication no' | sudo tee /etc/ssh/sshd_config.d/10-custom.conf
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sudo curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/sshd_config/10-custom.conf -o /etc/ssh/sshd_config.d/10-custom.conf
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sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf
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sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/local.conf -o /etc/systemd/system/sshd.service.d/override.conf
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sudo systemctl daemon-reload
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@ -45,16 +45,7 @@ sudo ufw allow OpenSSH
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echo 'GSSAPIAuthentication no
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VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
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sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
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echo 'HostKey /etc/ssh/ssh_host_ed25519_key
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HostKeyAlgorithms ssh-ed25519
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#KexAlgorithms sntrup761x25519-sha512@openssh.com
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PubkeyAcceptedKeyTypes ssh-ed25519
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Ciphers aes256-gcm@openssh.com
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MACs -*
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PasswordAuthentication no
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PermitRootLogin no
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KerberosAuthentication no
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GSSAPIAuthentication no' | sudo tee /etc/ssh/sshd_config.d/10-custom.conf
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sudo curl https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/sshd_config/10-custom.conf -o /etc/ssh/sshd_config.d/10-custom.conf
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sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf
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sudo mkdir -p /etc/systemd/system/ssh.service.d
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sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/local.conf -o /etc/systemd/system/ssh.service.d/override.conf
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