diff --git a/in/personal/server/index.rst b/in/personal/server/index.rst
index 1f85fcb..d727e78 100644
--- a/in/personal/server/index.rst
+++ b/in/personal/server/index.rst
@@ -181,6 +181,7 @@ Prepare a grub.cfg
 * tree
 * net.ipv4.ip_forward=1
 * net.ipv6.conf.all.forwarding=1
+* nftables
 
 * /etc/bash.bashrc
 * /etc/fstab (/d)