From cf2b4a8485d6d1bd3871da67111da0740cc8487c Mon Sep 17 00:00:00 2001
From: sefidel <contact@sefidel.net>
Date: Sat, 8 Jan 2022 22:02:38 +0900
Subject: nixos: add security module

---
 nixos/configurations/alpha.nix          | 22 +---------------------
 nixos/configurations/hardware/alpha.nix |  6 ------
 2 files changed, 1 insertion(+), 27 deletions(-)

(limited to 'nixos/configurations')

diff --git a/nixos/configurations/alpha.nix b/nixos/configurations/alpha.nix
index 252c358..c472317 100644
--- a/nixos/configurations/alpha.nix
+++ b/nixos/configurations/alpha.nix
@@ -4,7 +4,6 @@
   imports = [ ];
 
   security = {
-    acme.acceptTerms = true;
     protectKernelImage = true;
     rtkit.enable = true;
     sudo.wheelNeedsPassword = false;
@@ -15,26 +14,7 @@
     "nmi_watchdog=0"
     "systemd.watchdog-device/dev/watchdog"
   ];
-  boot.kernel.sysctl = {
-    "net.ipv4.conf.default.log_martians" = 1;
-    "net.ipv4.conf.all.log_martians" = 1;
-    "net.ipv4.tcp_mtu_probing" = 1;
-    "net.ipv4.tcp_syncookies" = 1;
-    "net.ipv4.tcp_congestion_control" = "bbr2";
-    "net.ipv4.conf.default.rp_filter" = 1;
-    "net.ipv4.conf.all.rp_filter" = 1;
-    "net.ipv4.conf.all.accept_source_route" = 0;
-    "net.ipv4.conf.all.send_redirects" = 0;
-    "net.ipv4.conf.default.send_redirects" = 0;
-    "net.ipv4.conf.all.accept_redirects" = 0;
-    "net.ipv4.conf.default.accept_redirects" = 0;
-    "net.ipv4.conf.all.secure_redirects" = 0;
-    "net.ipv4.conf.default.secure_redirects" = 0;
-    "net.ipv6.conf.all.accept_source_route" = 0;
-    "net.ipv6.conf.all.accept_redirects" = 0;
-    "net.ipv6.conf.default.accept_redirects" = 0;
-    "net.ipv4.tcp_rfc1337" = 1;
-  };
+
   # GRUB bootloader
   boot.loader.efi.canTouchEfiVariables = true;
   boot.loader.grub = {
diff --git a/nixos/configurations/hardware/alpha.nix b/nixos/configurations/hardware/alpha.nix
index 482676e..3e99ea9 100644
--- a/nixos/configurations/hardware/alpha.nix
+++ b/nixos/configurations/hardware/alpha.nix
@@ -42,12 +42,6 @@ in
     fsType = "ext4";
   };
 
-  fileSystems."/tmp" = {
-    fsType = "tmpfs";
-    device = "tmpfs";
-    options = [ "nosuid" "nodev" "relatime" "size=14G" ];
-  };
-
   swapDevices = [{ device = swapDev; }];
 
   nix.maxJobs = lib.mkDefault 4;
-- 
cgit 1.4.1