diff -r d5b76348e00e -r 0c85895d4e27 sysctl.d/60-network-security.conf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysctl.d/60-network-security.conf	Sun Jun 02 01:25:52 2024 +0000
@@ -0,0 +1,3 @@
+# https://datatracker.ietf.org/doc/html/rfc3704
+net.ipv4.conf.all.rp_filter=1
+net.ipv4.conf.default.rp_filter=1
\ No newline at end of file