Additional hardening

Signed-off-by: Tommy <contact@tommytran.io>
2025-11-04 11:08:35 +01:00 · 2022-12-01 14:47:50 -05:00
parent f6393dc6fa
commit e91473fe24
8 changed files with 62 additions and 39 deletions
--- a/Docker-Compose.ign
+++ b/Docker-Compose.ign
--- a/Docker-Compose.yml
+++ b/Docker-Compose.yml
@@ -31,11 +31,17 @@ systemd:
        ExecStart=/usr/bin/rpm-ostree install docker-compose fail2ban firewalld tuned qemu-guest-agent
        ExecStart=/bin/touch /var/lib/%N.stamp
        ExecStart=/usr/bin/sed 's/nullok//g' /etc/pam.d/system-auth
-        ExecStart=/usr/bin/curl https://raw.githubusercontent.com/Whonix/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf
+        ExecStart=/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
        ExecStart=/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
+        ExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
        ExecStart=/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
        ExecStart=/usr/bin/curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony.conf
-        ExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/NetworkManager.service.d
+        ExecStart=/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
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/irqbalance.service.d
+        ExecStart=/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
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/sshd.service.d
+        ExecStart=/usr/bincurl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf
        ExecStart=/bin/systemctl --no-block reboot

        [Install]
--- a/Generic.ign
+++ b/Generic.ign
--- a/Generic.yml
+++ b/Generic.yml
@@ -3,7 +3,7 @@ version: 1.4.0
 passwd:
  users:
    - name: tomster
-      ssh_authorized_keys: 
+      ssh_authorized_keys:
        - ssh-rsa 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
        - ssh-rsa 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
      groups:
@@ -31,11 +31,17 @@ systemd:
        ExecStart=/usr/bin/rpm-ostree install firewalld tuned qemu-guest-agent
        ExecStart=/bin/touch /var/lib/%N.stamp
        ExecStart=/usr/bin/sed 's/nullok//g' /etc/pam.d/system-auth
-        ExecStart=/usr/bin/curl https://raw.githubusercontent.com/Whonix/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf
+        ExecStart=/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
        ExecStart=/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
+        ExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
        ExecStart=/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
        ExecStart=/usr/bin/curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony.conf
-        ExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/NetworkManager.service.d
+        ExecStart=/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
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/irqbalance.service.d
+        ExecStart=/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
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/sshd.service.d
+        ExecStart=/usr/bincurl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf
        ExecStart=/bin/systemctl --no-block reboot

        [Install]
@@ -62,7 +68,7 @@ systemd:
      enabled: true
      contents: |
        [Service]
-        Type=oneshot 
+        Type=oneshot
        ExecStart=/usr/sbin/setsebool container_use_cephfs off
        ExecStart=/usr/sbin/setsebool virt_use_nfs off
        ExecStart=/usr/sbin/setsebool virt_use_samba off
@@ -83,7 +89,7 @@ storage:
    - path: /etc/ssh/sshd_config.d/10-custom.conf
      contents:
        inline: |
-          X11Forwarding no 
+          X11Forwarding no
          GSSAPIAuthentication no
    - path: /etc/zincati/config.d/51-rollout-wariness.toml
      contents:
@@ -121,12 +127,12 @@ storage:
          max-zram-size = 8192
    - path: /etc/security/limits.d/30-disable-coredump.conf
      overwrite: true
-      contents: 
-        inline: | 
+      contents:
+        inline: |
          * hard core 0
    - path: /etc/ssh/ssh_config.d/10-custom.conf
      overwrite: true
-      contents: 
+      contents:
        inline: |
          GSSAPIAuthentication no
  links:
@@ -142,7 +148,7 @@ kernel_arguments:
    - spec_store_bypass_disable=on
    - l1tf=full,force
    - mds=full,nosmt
-    - tsx=off 
+    - tsx=off
    - tsx_async_abort=full,nosmt
    - kvm.nx_huge_pages=force
    - nosmt=force
@@ -150,7 +156,7 @@ kernel_arguments:
    - mmio_stale_data=full,nosmt
    - random.trust_bootloader=off
    - random.trust_cpu=off
-    - intel_iommu=on 
+    - intel_iommu=on
    - amd_iommu=on
    - iommu.passthrough=0 iommu.strict=1
    - slab_nomerge
--- a/GitLab.ign
+++ b/GitLab.ign
--- a/GitLab.yml
+++ b/GitLab.yml
@@ -3,7 +3,7 @@ version: 1.4.0
 passwd:
  users:
    - name: tomster
-      ssh_authorized_keys: 
+      ssh_authorized_keys:
        - ssh-rsa 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
        - ssh-rsa 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
      groups:
@@ -31,11 +31,17 @@ systemd:
        ExecStart=/usr/bin/rpm-ostree install firewalld tuned qemu-guest-agent
        ExecStart=/bin/touch /var/lib/%N.stamp
        ExecStart=/usr/bin/sed 's/nullok//g' /etc/pam.d/system-auth
-        ExecStart=/usr/bin/curl https://raw.githubusercontent.com/Whonix/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf
+        ExecStart=/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
        ExecStart=/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
+        ExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
        ExecStart=/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
        ExecStart=/usr/bin/curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony.conf
-        ExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/NetworkManager.service.d
+        ExecStart=/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
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/irqbalance.service.d
+        ExecStart=/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
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/sshd.service.d
+        ExecStart=/usr/bincurl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf
        ExecStart=/bin/systemctl --no-block reboot

        [Install]
@@ -64,7 +70,7 @@ systemd:
      enabled: true
      contents: |
        [Service]
-        Type=oneshot 
+        Type=oneshot
        ExecStart=/usr/sbin/setsebool container_use_cephfs off
        ExecStart=/usr/sbin/setsebool virt_use_nfs off
        ExecStart=/usr/sbin/setsebool virt_use_samba off
@@ -85,7 +91,7 @@ storage:
    - path: /etc/ssh/sshd_config.d/10-custom.conf
      contents:
        inline: |
-          X11Forwarding no 
+          X11Forwarding no
          GSSAPIAuthentication no
    - path: /etc/zincati/config.d/51-rollout-wariness.toml
      contents:
@@ -123,13 +129,13 @@ storage:
          max-zram-size = 8192
    - path: /etc/security/limits.d/30-disable-coredump.conf
      overwrite: true
-      contents: 
-        inline: | 
+      contents:
+        inline: |
          * hard core 0
    - path: /etc/ssh/ssh_config.d/10-custom.conf
      overwrite: true
-      contents: 
-        inline: | 
+      contents:
+        inline: |
          GSSAPIAuthentication no
  links:
    - path: /etc/localtime
@@ -144,7 +150,7 @@ kernel_arguments:
    - spec_store_bypass_disable=on
    - l1tf=full,force
    - mds=full,nosmt
-    - tsx=off 
+    - tsx=off
    - tsx_async_abort=full,nosmt
    - kvm.nx_huge_pages=force
    - nosmt=force
@@ -152,7 +158,7 @@ kernel_arguments:
    - mmio_stale_data=full,nosmt
    - random.trust_bootloader=off
    - random.trust_cpu=off
-    - intel_iommu=on 
+    - intel_iommu=on
    - amd_iommu=on
    - iommu.passthrough=0 iommu.strict=1
    - slab_nomerge
@@ -164,4 +170,3 @@ kernel_arguments:
    - randomize_kstack_offset=on
    - extra_latent_entropy
    - debugfs=off
-    
--- a/OnlyOffice.ign
+++ b/OnlyOffice.ign
--- a/OnlyOffice.yml
+++ b/OnlyOffice.yml
@@ -3,7 +3,7 @@ version: 1.4.0
 passwd:
  users:
    - name: tomster
-      ssh_authorized_keys: 
+      ssh_authorized_keys:
        - ssh-rsa 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
        - ssh-rsa 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
      groups:
@@ -31,11 +31,17 @@ systemd:
        ExecStart=/usr/bin/rpm-ostree install firewalld tuned qemu-guest-agent
        ExecStart=/bin/touch /var/lib/%N.stamp
        ExecStart=/usr/bin/sed 's/nullok//g' /etc/pam.d/system-auth
-        ExecStart=/usr/bin/curl https://raw.githubusercontent.com/Whonix/security-misc/master/etc/modprobe.d/30_security-misc.conf -o /etc/modprobe.d/30_security-misc.conf
+        ExecStart=/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
        ExecStart=/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
+        ExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
        ExecStart=/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
        ExecStart=/usr/bin/curl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf -o /etc/chrony.conf
-        ExecStart=/usr/bin/sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/30_security-misc.conf
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/NetworkManager.service.d
+        ExecStart=/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
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/irqbalance.service.d
+        ExecStart=/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
+        ExecStart=/usr/bin/mkdir -p /etc/systemd/system/sshd.service.d
+        ExecStart=/usr/bincurl https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/limits.conf -o /etc/systemd/system/sshd.service.d/limits.conf
        ExecStart=/bin/systemctl --no-block reboot

        [Install]
@@ -63,7 +69,7 @@ systemd:
      enabled: true
      contents: |
        [Service]
-        Type=oneshot 
+        Type=oneshot
        ExecStart=/usr/sbin/setsebool container_use_cephfs off
        ExecStart=/usr/sbin/setsebool virt_use_nfs off
        ExecStart=/usr/sbin/setsebool virt_use_samba off
@@ -84,7 +90,7 @@ storage:
    - path: /etc/ssh/sshd_config.d/10-custom.conf
      contents:
        inline: |
-          X11Forwarding no 
+          X11Forwarding no
          GSSAPIAuthentication no
    - path: /etc/zincati/config.d/51-rollout-wariness.toml
      contents:
@@ -122,13 +128,13 @@ storage:
          max-zram-size = 8192
    - path: /etc/security/limits.d/30-disable-coredump.conf
      overwrite: true
-      contents: 
-        inline: | 
+      contents:
+        inline: |
          * hard core 0
    - path: /etc/ssh/ssh_config.d/10-custom.conf
      overwrite: true
-      contents: 
-        inline: | 
+      contents:
+        inline: |
          GSSAPIAuthentication no
  links:
    - path: /etc/localtime
@@ -143,7 +149,7 @@ kernel_arguments:
    - spec_store_bypass_disable=on
    - l1tf=full,force
    - mds=full,nosmt
-    - tsx=off 
+    - tsx=off
    - tsx_async_abort=full,nosmt
    - kvm.nx_huge_pages=force
    - nosmt=force
@@ -151,7 +157,7 @@ kernel_arguments:
    - mmio_stale_data=full,nosmt
    - random.trust_bootloader=off
    - random.trust_cpu=off
-    - intel_iommu=on 
+    - intel_iommu=on
    - amd_iommu=on
    - iommu.passthrough=0 iommu.strict=1
    - slab_nomerge