caddy: module: rmem_max default

2022-10-16 14:54:57 -04:00 · 2022-10-16 14:54:57 -04:00 · fdfdc5df21
commit fdfdc5df21
parent 3716419dd6
1 changed files with 3 additions and 0 deletions
--- a/nixos/modules/services/web-servers/caddy/default.nix
+++ b/nixos/modules/services/web-servers/caddy/default.nix
@ -290,6 +290,9 @@ in
      }
    '';

+    # https://github.com/lucas-clemente/quic-go/wiki/UDP-Receive-Buffer-Size
+    boot.kernel.sysctl."net.core.rmem_max" = mkDefault 2500000;
+
    systemd.packages = [ cfg.package ];
    systemd.services.caddy = {
      wants = map (hostOpts: "acme-finished-${hostOpts.useACMEHost}.target") acmeVHosts;