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mirror of https://github.com/tommytran732/Linux-Setup-Scripts synced 2024-09-19 13:44:43 -04:00

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2 Commits

Author SHA1 Message Date
53340db0ea
Update SSH hardening 2023-10-10 12:23:50 -07:00
9ece4660b2
Create 10-custom.conf
Signed-off-by: Tommy <contact@tommytran.io>
2023-10-10 12:20:29 -07:00
4 changed files with 13 additions and 23 deletions

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@ -35,9 +35,7 @@ sudo ufw allow OpenSSH
echo 'GSSAPIAuthentication no echo 'GSSAPIAuthentication no
VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
echo 'PasswordAuthentication no 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
KerberosAuthentication no
GSSAPIAuthentication no' | sudo tee /etc/ssh/sshd_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf
sudo mkdir -p /etc/systemd/system/ssh.service.d sudo mkdir -p /etc/systemd/system/ssh.service.d
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 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
echo 'GSSAPIAuthentication no echo 'GSSAPIAuthentication no
VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
echo 'HostKey /etc/ssh/ssh_host_ed25519_key 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
HostKeyAlgorithms ssh-ed25519
#KexAlgorithms sntrup761x25519-sha512@openssh.com
PubkeyAcceptedKeyTypes ssh-ed25519
Ciphers aes256-gcm@openssh.com
MACs -*
PasswordAuthentication no
PermitRootLogin no
KerberosAuthentication no
GSSAPIAuthentication no' | sudo tee /etc/ssh/sshd_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf
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 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
sudo systemctl daemon-reload sudo systemctl daemon-reload

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@ -45,16 +45,7 @@ sudo ufw allow OpenSSH
echo 'GSSAPIAuthentication no echo 'GSSAPIAuthentication no
VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
echo 'HostKey /etc/ssh/ssh_host_ed25519_key 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
HostKeyAlgorithms ssh-ed25519
#KexAlgorithms sntrup761x25519-sha512@openssh.com
PubkeyAcceptedKeyTypes ssh-ed25519
Ciphers aes256-gcm@openssh.com
MACs -*
PasswordAuthentication no
PermitRootLogin no
KerberosAuthentication no
GSSAPIAuthentication no' | sudo tee /etc/ssh/sshd_config.d/10-custom.conf
sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf sudo chmod 644 /etc/ssh/sshd_config.d/10-custom.conf
sudo mkdir -p /etc/systemd/system/ssh.service.d sudo mkdir -p /etc/systemd/system/ssh.service.d
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 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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@ -0,0 +1,10 @@
X11Forwarding no
HostKey /etc/ssh/ssh_host_ed25519_key
HostKeyAlgorithms ssh-ed25519
PubkeyAcceptedKeyTypes ssh-ed25519
Ciphers aes256-gcm@openssh.com
MACs -*
PasswordAuthentication no
PermitRootLogin no
KerberosAuthentication no
GSSAPIAuthentication no