mirror of
https://github.com/tommytran732/Linux-Setup-Scripts
synced 2024-11-09 11:41:33 -05:00
67 lines
2.5 KiB
Bash
67 lines
2.5 KiB
Bash
#!/bin/bash
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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 sed -i 's/#GSSAPIAuthentication no/GSSAPIAuthentication no/g' /etc/ssh/sshd_config
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sudo systemctl restart sshd
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sudo find /etc/apt/sources.list.d -type f -exec sudo sed -i 's/http:/https:/g' {} \;
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sudo apt update
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sudo apt upgrade -y
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sudo apt install -y tuned apparmor-profiles unbound ufw
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sudo tuned-adm profile virtual-guest
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echo 'server:
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trust-anchor-signaling: yes
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root-key-sentinel: yes
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hide-identity: yes
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hide-trustanchor: yes
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hide-version: yes
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deny-any: yes
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do-not-query-localhost: yes
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harden-algo-downgrade: yes
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harden-large-queries: yes
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harden-referral-path: yes
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ignore-cd-flag: yes
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max-udp-size: 3072
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module-config: "validator iterator"
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qname-minimisation-strict: yes
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unwanted-reply-threshold: 10000000
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use-caps-for-id: yes
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outgoing-port-permit: 1024-65535
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outgoing-port-avoid: 51820
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prefetch: yes
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prefetch-key: yes
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forward-zone:
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name: "."
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forward-tls-upstream: yes
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forward-addr: 8.8.8.8#dns.google
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forward-addr: 8.8.4.4#dns.google
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forward-addr: 2001:4860:4860::8888#dns.google
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forward-addr: 2001:4860:4860::8844#dns.google' | sudo tee /etc/unbound/unbound.conf.d/custom.conf
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sudo systemctl restart unbound
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sudo mkdir -p /etc/systemd/system/sshd.service.d
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sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf
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sudo rm -rf /etc/chrony/chrony.conf
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sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony/chrony.conf
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sudo systemctl restart chronyd
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sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf
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sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf
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sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
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sudo curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_silent-kernel-printk.conf -o /etc/sysctl.d/30_silent-kernel-printk.conf
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sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
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sudo curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf -o /etc/systemd/system/NetworkManager.service.d/99-brace.conf
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echo "* hard core 0" | tee -a /etc/security/limits.conf
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