X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;ds=sidebyside;f=modules%2Fprivate%2Fsystem%2Feldiron.nix;h=df4018768bdd59ec64206ecdf50d85ca4e871865;hb=e886ea19877fa0d4de32d35939f69e9c18681d59;hp=b71df33d41020e1d5ab6cf1ccae77b764e00a918;hpb=f807d9177bb795f034bfd11932e4fbfa6671805f;p=perso%2FImmae%2FConfig%2FNix.git

diff --git a/modules/private/system/eldiron.nix b/modules/private/system/eldiron.nix
index b71df33..df40187 100644
--- a/modules/private/system/eldiron.nix
+++ b/modules/private/system/eldiron.nix
@@ -17,6 +17,10 @@
 
   imports = builtins.attrValues (import ../..);
 
+  boot.kernel.sysctl = {
+    # https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md
+    "net.ipv4.tcp_sack" = 0;
+  };
   myServices.buildbot.enable = true;
   myServices.databases.enable = true;
   myServices.gitolite.enable = true;
@@ -59,5 +63,6 @@
   # to be compatible, in order to avoid breaking some software such as
   # database servers. You should change this only after NixOS release
   # notes say you should.
-  system.stateVersion = "18.09"; # Did you read the comment?
+  # https://nixos.org/nixos/manual/release-notes.html
+  system.stateVersion = "19.03"; # Did you read the comment?
 }