diff --git a/etc/sysctl.d/tcp_hardening.conf b/etc/sysctl.d/tcp_hardening.conf
new file mode 100644
index 0000000..dcc8afb
--- /dev/null
+++ b/etc/sysctl.d/tcp_hardening.conf
@@ -0,0 +1,23 @@
+## TCP/IP stack hardening 
+
+# Protects against time-wait assassination. It drops RST packets for sockets in the time-wait state.
+net.ipv4.tcp_rfc1337=1
+
+# Enables source validation of packets and protects against IP spoofing methods.
+net.ipv4.conf.default.rp_filter=1
+net.ipv4.conf.all.rp_filter=1
+
+# Disables ICMP redirect acceptance.
+net.ipv4.conf.all.accept_redirects=0
+net.ipv4.conf.default.accept_redirects=0
+net.ipv4.conf.all.secure_redirects=0
+net.ipv4.conf.default.secure_redirects=0
+net.ipv6.conf.all.accept_redirects=0
+net.ipv6.conf.default.accept_redirects=0
+
+# Disables ICMP redirect sending.
+net.ipv4.conf.all.send_redirects=0
+net.ipv4.conf.default.send_redirects=0
+
+# Ignores ICMP requests
+net.ipv4.icmp_echo_ignore_all=1