mirror of
https://github.com/tommytran732/Linux-Setup-Scripts
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Enable DNSSEC and DOT
Signed-off-by: Tommy <contact@tommytran.io>
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@ -35,4 +35,67 @@ sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/syste
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sudo systemctl restart sshd
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sudo systemctl restart sshd
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echo "GSSAPIAuthentication no" | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
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echo "GSSAPIAuthentication no" | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
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echo "VerifyHostKeyDNS yes" | sudo tee -a /etc/ssh/ssh_config.d/10-custom.conf
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echo "VerifyHostKeyDNS yes" | sudo tee -a /etc/ssh/ssh_config.d/10-custom.conf
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sudo dnf install unbound
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echo 'server:
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chroot: ""
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auto-trust-anchor-file: "/var/lib/unbound/root.key"
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trust-anchor-signaling: yes
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root-key-sentinel: yes
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tls-ciphers: "PROFILE=SYSTEM"
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hide-http-user-agent: 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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minimal-responses: yes
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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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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
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mkdir -p /etc/systemd/system/unbound.service.d
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echo $'[Service]
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MemoryDenyWriteExecute=true
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PrivateDevices=true
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PrivateTmp=true
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ProtectHome=true
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ProtectClock=true
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ProtectControlGroups=true
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ProtectKernelLogs=true
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ProtectKernelModules=true
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# This breaks using socket options like \'so-rcvbuf\'. Explicitly disable for visibility.
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ProtectKernelTunables=true
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ProtectProc=invisible
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RestrictAddressFamilies=AF_INET AF_INET6 AF_NETLINK AF_UNIX
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RestrictRealtime=true
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SystemCallArchitectures=native
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SystemCallFilter=~@clock @cpu-emulation @debug @keyring @module mount @obsolete @resources
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RestrictNamespaces=yes
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LockPersonality=yes' | sudo tee /etc/systemd/system/unbound.service.d/override.conf
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sudo systemctl enable --now unbound
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