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Unbound for Ubuntu

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Tommy 2023-07-31 01:34:49 -07:00 committed by GitHub
parent e239821b65
commit 6df908ae81
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2 changed files with 87 additions and 5 deletions

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@ -15,8 +15,10 @@ sudo apt install -y --no-install-recommends tuned unbound resolvconf ufw
sudo ufw enable sudo ufw enable
sudo ufw allow 22/tcp sudo ufw allow 22/tcp
#Setup tuned
sudo tuned-adm profile virtual-guest sudo tuned-adm profile virtual-guest
#Setup unbound
echo 'server: echo 'server:
trust-anchor-file: "/var/lib/unbound/root.key trust-anchor-file: "/var/lib/unbound/root.key
trust-anchor-signaling: yes trust-anchor-signaling: yes

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@ -7,6 +7,91 @@ sudo ua enable usg
sudo apt install -y usg sudo apt install -y usg
sudo usg fix cis_level2_server sudo usg fix cis_level2_server
#Install packages
sudo apt update -y
sudo apt full-upgrade -y
sudo apt install -y curl fwupd resolveconf tuned unbound
#Setup tuned
sudo tuned-adm profile virtual-guest
#Setup unbound
echo 'server:
trust-anchor-file: "/var/lib/unbound/root.key
trust-anchor-signaling: yes
root-key-sentinel: yes
tls-cert-bundle: /etc/ssl/certs/ca-certificates.crt
hide-identity: yes
hide-trustanchor: yes
hide-version: yes
deny-any: 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
outgoing-port-permit: 1024-65535
prefetch: yes
prefetch-key: yes
forward-zone:
name: "."
forward-tls-upstream: yes
forward-addr: 1.1.1.2@853#security.cloudflare-dns.com
forward-addr: 1.0.0.2@853#security.cloudflare-dns.com
forward-addr: 2606:4700:4700::1112@853#security.cloudflare-dns.com
forward-addr: 2606:4700:4700::1002@853#security.cloudflare-dns.com' | sudo tee /etc/unbound/unbound.conf.d/custom.conf
sudo mv /etc/unbound/unbound.conf.d/root-auto-trust-anchor-file.conf /etc/unbound/unbound.conf.d/root-auto-trust-anchor-file.conf.bk
mkdir -p /etc/systemd/system/unbound.service.d
echo $'[Service]
CapabilityBoundingSet=CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_SYS_RESOURCE CAP_NET_RAW
MemoryDenyWriteExecute=true
NoNewPrivileges=true
PrivateDevices=true
PrivateTmp=true
ProtectHome=true
ProtectClock=true
ProtectControlGroups=true
ProtectKernelLogs=true
ProtectKernelModules=true
# This breaks using socket options like \'so-rcvbuf\'. Explicitly disable for visibility.
ProtectKernelTunables=false
ProtectProc=invisible
ProtectSystem=strict
RuntimeDirectory=unbound
ConfigurationDirectory=unbound
StateDirectory=unbound
RestrictAddressFamilies=AF_INET AF_INET6 AF_NETLINK AF_UNIX
RestrictRealtime=true
SystemCallArchitectures=native
SystemCallFilter=~@clock @cpu-emulation @debug @keyring @module mount @obsolete @resources
RestrictNamespaces=yes
LockPersonality=yes
RestrictSUIDSGID=yes
ReadWritePaths=@UNBOUND_RUN_DIR@ @UNBOUND_CHROOT_DIR@
# Below rules are needed when chroot is enabled (usually it\'s enabled by default).
# If chroot is disabled like chroot: "" then they may be safely removed.
TemporaryFileSystem=@UNBOUND_CHROOT_DIR@/dev:ro
TemporaryFileSystem=@UNBOUND_CHROOT_DIR@/run:ro
BindReadOnlyPaths=-/run/systemd/notify:@UNBOUND_CHROOT_DIR@/run/systemd/notify
BindReadOnlyPaths=-/dev/urandom:@UNBOUND_CHROOT_DIR@/dev/urandom
BindPaths=-/dev/log:@UNBOUND_CHROOT_DIR@/dev/log' | sudo tee /etc/systemd/system/unbound.service.d/override.conf
sudo systemctl daemon-reload
sudo systemctl restart unbound
sudo systemctl disable --now systemd-resolved
#Security kernel settings #Security kernel settings
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/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 curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf
@ -38,11 +123,6 @@ sudo systemctl stop whoopsie.service
sudo systemctl disable whoopsie.service sudo systemctl disable whoopsie.service
sudo systemctl mask whoopsie.service sudo systemctl mask whoopsie.service
#Update packages and firmware
sudo apt update -y
sudo apt full-upgrade -y
sudo apt install fwupd
mkdir -p /etc/systemd/system/fwupd-refresh.service.d mkdir -p /etc/systemd/system/fwupd-refresh.service.d
echo '[Service] echo '[Service]
ExecStart=/usr/bin/fwupdmgr update' | tee /etc/systemd/system/fwupd-refresh.service.d/override.conf ExecStart=/usr/bin/fwupdmgr update' | tee /etc/systemd/system/fwupd-refresh.service.d/override.conf