Initial commit

10-memory.conf

@@ -0,0 +1,4 @@
+vm.overcommit_memory = 2
+
+vm.dirty_ratio = 30
+vm.dirty_background_ratio = 10

20-network.conf

@@ -0,0 +1,46 @@
+# IPV4
+net.ipv4.ip_forward = 0
+net.ipv4.conf.default.accept_source_route = 0
+
+net.ipv4.tcp_syncookies = 1
+net.ipv4.tcp_synack_retries = 5
+
+net.ipv4.conf.all.send_redirects = 0
+net.ipv4.conf.default.send_redirects = 0
+net.ipv4.conf.all.accept_redirects = 0
+net.ipv4.conf.all.secure_redirects = 0
+net.ipv4.conf.all.accept_source_route = 0
+ 
+net.ipv4.conf.all.log_martians = 1
+net.ipv4.conf.default.accept_source_route = 0
+net.ipv4.conf.default.accept_redirects = 0
+net.ipv4.conf.default.secure_redirects = 0
+ 
+net.ipv4.icmp_echo_ignore_broadcasts = 1
+
+net.ipv4.conf.all.rp_filter = 1
+net.ipv4.conf.default.rp_filter = 1 
+
+net.ipv4.tcp_rfc1337 = 1
+
+# TCP Tweaks
+net.ipv4.tcp_fastopen = 3
+net.ipv4.tcp_tw_reuse = 1
+net.ipv4.tcp_mtu_probing = 1
+
+# IPV6
+net.ipv6.conf.default.router_solicitations = 0
+
+net.ipv6.conf.default.accept_ra_rtr_pref = 0
+net.ipv6.conf.default.accept_ra_pinfo = 0
+net.ipv6.conf.default.accept_ra_defrtr = 0
+ 
+net.ipv6.conf.default.autoconf = 0
+ 
+net.ipv6.conf.default.dad_transmits = 0
+ 
+net.ipv6.conf.default.max_addresses = 1
+
+# Misc
+net.core.netdev_max_backlog = 16384
+net.core.somaxconn = 8192

30-kernel.conf

@@ -0,0 +1,10 @@
+kernel.sysrq = 0
+
+# Memory execution prevention
+kernel.exec-shield = 2
+kernel.randomize_va_space=2
+
+kernel.dmesg_restrict = 1
+kernel.kptr_restrict = 2
+
+kernel.kexec_load_disabled = 1