From c0a0469c1cda079940b3a6f137b9b061341971ce Mon Sep 17 00:00:00 2001
From: Tommy <contact@tommytran.io>
Date: Wed, 25 Jan 2023 05:53:38 -0500
Subject: [PATCH] Use unbound and DOT

Signed-off-by: Tommy <contact@tommytran.io>
---
 GCP-Debian-11.sh | 74 +++++++++++++++++++++++++++++++++++-------------
 1 file changed, 54 insertions(+), 20 deletions(-)

diff --git a/GCP-Debian-11.sh b/GCP-Debian-11.sh
index 6a31b2a..9655a5c 100644
--- a/GCP-Debian-11.sh
+++ b/GCP-Debian-11.sh
@@ -1,31 +1,65 @@
 #!/bin/bash
 
-find /etc/apt/sources.list.d -type f -exec sed -i 's/http:/https:/g' {} \;
+sudo find /etc/apt/sources.list.d -type f -exec sudo sed -i 's/http:/https:/g' {} \;
 
-apt update
-apt upgrade -y
-apt install -y tuned apparmor-profiles ufw
+sudo apt update
+sudo apt upgrade -y
+sudo apt install -y tuned apparmor-profiles unbound ufw
 
-tuned-adm profile virtual-guest
+sudo tuned-adm profile virtual-guest
 
-curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf
-curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf
-sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
-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
-mkdir -p /etc/systemd/system/NetworkManager.service.d
-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
-mkdir -p /etc/systemd/system/sshd.service.d
-curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf
+echo 'server:
+  trust-anchor-signaling: yes
+  root-key-sentinel: yes
 
-echo "GSSAPIAuthentication no" > /etc/ssh/ssh_config.d/10-custom.conf
-echo "VerifyHostKeyDNS yes" >> /etc/ssh/ssh_config.d/10-custom.conf
+  hide-identity: yes
+  hide-trustanchor: yes
+  hide-version: yes
+  deny-any: yes
+  do-not-query-localhost: yes
+  harden-algo-downgrade: yes
+  harden-large-queries: yes
+  harden-referral-path: yes
+  ignore-cd-flag: yes
+  max-udp-size: 3072
+  module-config: "validator iterator"
+  qname-minimisation-strict: yes
+  unwanted-reply-threshold: 10000000
+  use-caps-for-id: yes
 
-rm -rf /etc/chrony/chrony.conf
-curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony/chrony.conf
+  outgoing-port-permit: 1024-65535
+  outgoing-port-avoid: 51820
+
+  prefetch: yes
+  prefetch-key: yes
+
+
+forward-zone:
+  name: "."
+  forward-tls-upstream: yes
+  forward-addr: 8.8.8.8#dns.google
+  forward-addr: 8.8.4.4#dns.google
+  forward-addr: 2001:4860:4860::8888#dns.google
+  forward-addr: 2001:4860:4860::8844#dns.google' | sudo tee /etc/unbound/unbound.conf.d/custom.conf
+  
+sudo systemctl restart unbound
+
+sudo rm -rf /etc/chrony/chrony.conf
+sudo curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony/chrony.conf
+sudo systemctl restart chronyd
+
+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
+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
+sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
+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
+sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
+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
+sudo mkdir -p /etc/systemd/system/sshd.service.d
+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
+
+echo 'GSSAPIAuthentication no
+VerifyHostKeyDNS yes' | sudo tee /etc/ssh/ssh_config.d/10-custom.conf
 
 echo "* hard core 0" | tee -a /etc/security/limits.conf
 
 sed -i 's/#GSSAPIAuthentication no/GSSAPIAuthentication no/g' /etc/ssh/sshd_config
-
-sed -i 's/#DNSSEC=no/DNSSEC=yes/g' /etc/systemd/resolved.conf
-systemctl restart systemd-resolved
\ No newline at end of file