X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/a7d96c8358a00088b485fadb5966eb4b231d2ff1..7874880284b6fd9a66dd6297c15d2ed37163a686:/roles/base.rb

diff --git a/roles/base.rb b/roles/base.rb
index 15c913d3d..2e2805142 100644
--- a/roles/base.rb
+++ b/roles/base.rb
@@ -49,9 +49,9 @@ default_attributes(
       }
     },
     :tcp_syncookies => {
-      :comment => "Turn off syncookies as they interact badly with the firewall",
+      :comment => "Turn on syncookies to protect against SYN floods",
       :parameters => {
-        "net.ipv4.tcp_syncookies" => "0"
+        "net.ipv4.tcp_syncookies" => "1"
       }
     }
   },