From 73855406f7e6314ca784c2a73684e822ea13238a Mon Sep 17 00:00:00 2001 From: Tommy Date: Tue, 24 Jan 2023 07:50:03 -0500 Subject: [PATCH] Update unbound configuration Signed-off-by: Tommy --- Docker-Compose.ign | 2 +- Docker-Compose.yml | 32 +++++++++++++++++++++----------- Generic.ign | 2 +- Generic.yml | 31 ++++++++++++++++++++----------- 4 files changed, 43 insertions(+), 24 deletions(-) diff --git a/Docker-Compose.ign b/Docker-Compose.ign index be7add7..07ebed6 100644 --- a/Docker-Compose.ign +++ b/Docker-Compose.ign @@ -1 +1 @@ -{"ignition":{"version":"3.3.0"},"kernelArguments":{"shouldExist":["spectre_v2=on","spec_store_bypass_disable=on","l1tf=full,force","mds=full,nosmt","tsx=off","tsx_async_abort=full,nosmt","kvm.nx_huge_pages=force","nosmt=force","l1d_flush=on","mmio_stale_data=full,nosmt","random.trust_bootloader=off","random.trust_cpu=off","intel_iommu=on","amd_iommu=on","iommu.passthrough=0 iommu.strict=1","slab_nomerge","init_on_alloc=1","init_on_free=1","pti=on","vsyscall=none","page_alloc.shuffle=1","randomize_kstack_offset=on","extra_latent_entropy","debugfs=off"]},"passwd":{"users":[{"groups":["wheel","sudo"],"name":"tomster","sshAuthorizedKeys":["ssh-rsa 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System Setup\n# We run after `systemd-machine-id-commit.service` to ensure that\n# `ConditionFirstBoot=true` services won't rerun on the next boot.\nAfter=systemd-machine-id-commit.service\nAfter=network-online.target\n# We run before `zincati.service` to avoid conflicting rpm-ostree\n# transactions.\nBefore=zincati.service\nConditionPathExists=!/var/lib/%N.stamp\n\n[Service]\nType=oneshot\nRemainAfterExit=yes\nExecStart=/usr/bin/sed -i 's/#DNSSEC=no/DNSSEC=yes/g' /etc/systemd/resolved.conf\nExecStart=/usr/bin/systemctl restart systemd-resolved\nExecStart=/usr/bin/rpm-ostree install docker-compose firewalld qemu-guest-agent tuned unbound\nExecStart=/bin/touch /var/lib/%N.stamp\nExecStart=/usr/bin/sed 's/nullok//g' /etc/pam.d/system-auth\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf\nExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf\nExecStart=/usr/bin/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\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony.conf\nExecStart=/usr/bin/mkdir -p /etc/systemd/system/NetworkManager.service.d\nExecStart=/usr/bin/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\nExecStart=/usr/bin/mkdir -p /etc/systemd/system/irqbalance.service.d\nExecStart=/usr/bin/curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/irqbalance.service.d/99-brace.conf -o /etc/systemd/system/irqbalance.service.d/99-brace.conf\nExecStart=/usr/bin/mkdir -p /etc/systemd/system/sshd.service.d\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf\nExecStart=/bin/systemctl disable systemd-resolved\nExecStart=/bin/systemctl --no-block reboot\n\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"postinst.service"},{"contents":"[Service]\nType=oneshot\nExecStart=/usr/sbin/setsebool container_use_cephfs off\nExecStart=/usr/sbin/setsebool virt_use_nfs off\nExecStart=/usr/sbin/setsebool virt_use_samba off\nRemainAfterExit=yes\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"setsebool.service"},{"enabled":true,"name":"docker.service"},{"enabled":true,"name":"fstrim.timer"},{"enabled":true,"name":"systemd-oomd.service"},{"enabled":false,"mask":true,"name":"rpm-ostree-countme.timer"},{"enabled":false,"name":"sshd.service"},{"enabled":true,"name":"sshd.socket"}]}} diff --git a/Docker-Compose.yml b/Docker-Compose.yml index 2c9a8e2..fc325b3 100644 --- a/Docker-Compose.yml +++ b/Docker-Compose.yml @@ -146,13 +146,27 @@ storage: [Install] WantedBy=multi-user.target - path: /etc/unbound/unbound.conf + overwrite: true contents: inline: | server: - trust-anchor-file: dnssec-root.key + chroot: "" + + auto-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 + tls-ciphers: "PROFILE=SYSTEM" + + hide-http-user-agent: yes + hide-identity: yes + hide-trustanchor: yes + hide-version: yes aggressive-nsec: yes + deny-any: yes + do-not-query-localhost: yes harden-algo-downgrade: yes harden-below-nxdomain: yes harden-dnssec-stripped: yes @@ -160,22 +174,20 @@ storage: harden-large-queries: yes harden-referral-path: yes harden-short-bufsize: yes + ignore-cd-flag: yes + ip-transparent: no + max-udp-size: 3072 + module-config: "validator iterator" + minimal-responses: yes qname-minimisation: yes qname-minimisation-strict: yes - hide-identity: yes - hide-version: yes unwanted-reply-threshold: 10000000 use-caps-for-id: yes - minimal-responses: yes val-clean-additional: yes - rrset-roundrobin: yes - ignore-cd-flag: yes - do-not-query-localhost: yes + zonemd-permissive-mode: no outgoing-port-permit: 1024-65535 - so-reuseport: yes - prefetch: yes prefetch-key: yes @@ -190,7 +202,6 @@ storage: contents: inline: | [Unit] - CapabilityBoundingSet=CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_SYS_RESOURCE CAP_NET_RAW MemoryDenyWriteExecute=true PrivateDevices=true PrivateTmp=true @@ -202,7 +213,6 @@ storage: # This breaks using socket options like 'so-rcvbuf'. Explicitly disable for visibility. ProtectKernelTunables=true ProtectProc=invisible - ProtectSystem=strict RestrictAddressFamilies=AF_INET AF_INET6 AF_NETLINK AF_UNIX RestrictRealtime=true SystemCallArchitectures=native diff --git a/Generic.ign b/Generic.ign index 3180acf..a0d54d4 100644 --- a/Generic.ign +++ b/Generic.ign @@ -1 +1 @@ -{"ignition":{"version":"3.3.0"},"kernelArguments":{"shouldExist":["spectre_v2=on","spec_store_bypass_disable=on","l1tf=full,force","mds=full,nosmt","tsx=off","tsx_async_abort=full,nosmt","kvm.nx_huge_pages=force","nosmt=force","l1d_flush=on","mmio_stale_data=full,nosmt","random.trust_bootloader=off","random.trust_cpu=off","intel_iommu=on","amd_iommu=on","iommu.passthrough=0 iommu.strict=1","slab_nomerge","init_on_alloc=1","init_on_free=1","pti=on","vsyscall=none","page_alloc.shuffle=1","randomize_kstack_offset=on","extra_latent_entropy","debugfs=off"]},"passwd":{"users":[{"groups":["wheel","sudo"],"name":"tomster","sshAuthorizedKeys":["ssh-rsa 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System Setup\n# We run after `systemd-machine-id-commit.service` to ensure that\n# `ConditionFirstBoot=true` services won't rerun on the next boot.\nAfter=systemd-machine-id-commit.service\nAfter=network-online.target\n# We run before `zincati.service` to avoid conflicting rpm-ostree\n# transactions.\nBefore=zincati.service\nConditionPathExists=!/var/lib/%N.stamp\n\n[Service]\nType=oneshot\nRemainAfterExit=yes\nExecStart=/usr/bin/sed -i 's/#DNSSEC=no/DNSSEC=yes/g' /etc/systemd/resolved.conf\nExecStart=/usr/bin/systemctl restart systemd-resolved\nExecStart=/usr/bin/rpm-ostree install firewalld qemu-guest-agent tuned unbound\nExecStart=/bin/touch /var/lib/%N.stamp\nExecStart=/usr/bin/sed 's/nullok//g' /etc/pam.d/system-auth\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf\nExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf\nExecStart=/usr/bin/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\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony.conf\nExecStart=/usr/bin/mkdir -p /etc/systemd/system/NetworkManager.service.d\nExecStart=/usr/bin/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\nExecStart=/usr/bin/mkdir -p /etc/systemd/system/irqbalance.service.d\nExecStart=/usr/bin/curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/irqbalance.service.d/99-brace.conf -o /etc/systemd/system/irqbalance.service.d/99-brace.conf\nExecStart=/usr/bin/mkdir -p /etc/systemd/system/sshd.service.d\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf\nExecStart=/bin/systemctl disable systemd-resolved\nExecStart=/bin/systemctl --no-block reboot\n\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"postinst.service"},{"contents":"[Unit]\nDescription=Initial System Setup Part 2\n# We run this after the packages have been overlayed\nAfter=network-online.target\nConditionPathExists=!/var/lib/%N.stamp\nConditionPathExists=/var/lib/postinst.stamp\n\n[Service]\nType=oneshot\nRemainAfterExit=yes\nExecStart=/usr/bin/docker run --detach --privileged --name watchtower --restart unless-stopped -v /var/run/docker.sock:/var/run/docker.sock -v /etc/localtime:/etc/localtime:ro containrrr/watchtower --schedule \"0 5 0 * * 1\"\nExecStart=/bin/touch /var/lib/%N.stamp\n\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"postinst2.service"},{"contents":"[Service]\nType=oneshot\nExecStart=/usr/sbin/setsebool container_use_cephfs off\nExecStart=/usr/sbin/setsebool virt_use_nfs off\nExecStart=/usr/sbin/setsebool virt_use_samba off\nRemainAfterExit=yes\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"setsebool.service"},{"enabled":true,"name":"docker.service"},{"enabled":true,"name":"fstrim.timer"},{"enabled":true,"name":"systemd-oomd.service"},{"enabled":false,"mask":true,"name":"rpm-ostree-countme.timer"},{"enabled":false,"name":"sshd.service"},{"enabled":true,"name":"sshd.socket"}]}} 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System Setup\n# We run after `systemd-machine-id-commit.service` to ensure that\n# `ConditionFirstBoot=true` services won't rerun on the next boot.\nAfter=systemd-machine-id-commit.service\nAfter=network-online.target\n# We run before `zincati.service` to avoid conflicting rpm-ostree\n# transactions.\nBefore=zincati.service\nConditionPathExists=!/var/lib/%N.stamp\n\n[Service]\nType=oneshot\nRemainAfterExit=yes\nExecStart=/usr/bin/sed -i 's/#DNSSEC=no/DNSSEC=yes/g' /etc/systemd/resolved.conf\nExecStart=/usr/bin/systemctl restart systemd-resolved\nExecStart=/usr/bin/rpm-ostree install firewalld qemu-guest-agent tuned unbound\nExecStart=/bin/touch /var/lib/%N.stamp\nExecStart=/usr/bin/sed 's/nullok//g' /etc/pam.d/system-auth\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/sysctl.d/30_security-misc.conf -o /etc/sysctl.d/30_security-misc.conf\nExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf\nExecStart=/usr/bin/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\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony.conf\nExecStart=/usr/bin/mkdir -p /etc/systemd/system/NetworkManager.service.d\nExecStart=/usr/bin/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\nExecStart=/usr/bin/mkdir -p /etc/systemd/system/irqbalance.service.d\nExecStart=/usr/bin/curl https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/irqbalance.service.d/99-brace.conf -o /etc/systemd/system/irqbalance.service.d/99-brace.conf\nExecStart=/usr/bin/mkdir -p /etc/systemd/system/sshd.service.d\nExecStart=/usr/bin/curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf\nExecStart=/bin/systemctl disable systemd-resolved\nExecStart=/bin/systemctl --no-block reboot\n\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"postinst.service"},{"contents":"[Unit]\nDescription=Initial System Setup Part 2\n# We run this after the packages have been overlayed\nAfter=network-online.target\nConditionPathExists=!/var/lib/%N.stamp\nConditionPathExists=/var/lib/postinst.stamp\n\n[Service]\nType=oneshot\nRemainAfterExit=yes\nExecStart=/usr/bin/docker run --detach --privileged --name watchtower --restart unless-stopped -v /var/run/docker.sock:/var/run/docker.sock -v /etc/localtime:/etc/localtime:ro containrrr/watchtower --schedule \"0 5 0 * * 1\"\nExecStart=/bin/touch /var/lib/%N.stamp\n\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"postinst2.service"},{"contents":"[Service]\nType=oneshot\nExecStart=/usr/sbin/setsebool container_use_cephfs off\nExecStart=/usr/sbin/setsebool virt_use_nfs off\nExecStart=/usr/sbin/setsebool virt_use_samba off\nRemainAfterExit=yes\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"setsebool.service"},{"enabled":true,"name":"docker.service"},{"enabled":true,"name":"fstrim.timer"},{"enabled":true,"name":"systemd-oomd.service"},{"enabled":false,"mask":true,"name":"rpm-ostree-countme.timer"},{"enabled":false,"name":"sshd.service"},{"enabled":true,"name":"sshd.socket"}]}} diff --git a/Generic.yml b/Generic.yml index f75830e..8f1ab22 100644 --- a/Generic.yml +++ b/Generic.yml @@ -148,10 +148,23 @@ storage: contents: inline: | server: - trust-anchor-file: dnssec-root.key + chroot: "" + + auto-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 + tls-ciphers: "PROFILE=SYSTEM" + + hide-http-user-agent: yes + hide-identity: yes + hide-trustanchor: yes + hide-version: yes aggressive-nsec: yes + deny-any: yes + do-not-query-localhost: yes harden-algo-downgrade: yes harden-below-nxdomain: yes harden-dnssec-stripped: yes @@ -159,22 +172,20 @@ storage: harden-large-queries: yes harden-referral-path: yes harden-short-bufsize: yes + ignore-cd-flag: yes + ip-transparent: no + max-udp-size: 3072 + module-config: "validator iterator" + minimal-responses: yes qname-minimisation: yes qname-minimisation-strict: yes - hide-identity: yes - hide-version: yes unwanted-reply-threshold: 10000000 use-caps-for-id: yes - minimal-responses: yes val-clean-additional: yes - rrset-roundrobin: yes - ignore-cd-flag: yes - do-not-query-localhost: yes + zonemd-permissive-mode: no outgoing-port-permit: 1024-65535 - so-reuseport: yes - prefetch: yes prefetch-key: yes @@ -189,7 +200,6 @@ storage: contents: inline: | [Unit] - CapabilityBoundingSet=CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_SYS_RESOURCE CAP_NET_RAW MemoryDenyWriteExecute=true PrivateDevices=true PrivateTmp=true @@ -201,7 +211,6 @@ storage: # This breaks using socket options like 'so-rcvbuf'. Explicitly disable for visibility. ProtectKernelTunables=true ProtectProc=invisible - ProtectSystem=strict RestrictAddressFamilies=AF_INET AF_INET6 AF_NETLINK AF_UNIX RestrictRealtime=true SystemCallArchitectures=native